The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M Co. COM 88579y101 295,338 2,083,221 SH   SOLE   1,941,363 0 141,858
Accenture Plc. COM g1151c101 998,893 10,165,811 SH   SOLE   9,571,150 0 594,661
Allscripts Healthcare COM 01988P108 33,427 2,695,705 SH   SOLE   2,303,380 0 392,325
American Express COM 025816109 498,673 6,727,007 SH   SOLE   6,272,334 0 454,673
AmerisourceBergen COM 03073e105 289,225 3,044,794 SH   SOLE   2,838,212 0 206,582
Anixter Int'l. COM 035290105 75,171 1,300,979 SH   SOLE   1,104,144 0 196,835
Applied Ind. Tech. COM 03820c105 68,495 1,795,406 SH   SOLE   1,523,931 0 271,475
Armstrong World Ind. COM 04247x102 63,588 1,331,973 SH   SOLE   1,134,048 0 197,925
Arrow Electronics Inc. COM 042735100 91,139 1,648,677 SH   SOLE   1,398,927 0 249,750
Avery Dennison Corp. COM 053611109 102,245 1,807,413 SH   SOLE   1,537,358 0 270,055
Bank of NY Mellon COM 064058100 642,782 16,418,435 SH   SOLE   15,305,807 0 1,112,628
Berkshire Hath Cl B COM 084670702 759,794 5,826,639 SH   SOLE   5,431,161 0 395,478
Broadridge Financial COM 11133t103 166,413 3,006,556 SH   SOLE   2,551,551 0 455,005
Cable One, Inc. COM 12685j105 57,064 136,054 SH   SOLE   115,132 0 20,922
Carlisle Cos. Inc. COM 142339100 31,474 360,201 SH   SOLE   306,976 0 53,225
Cash America Intl Inc. COM 14754d100 52,770 1,886,657 SH   SOLE   1,605,332 0 281,325
Comcast Corp. COM 20030n101 747,208 13,136,566 SH   SOLE   12,248,422 0 888,144
Comerica Inc. COM 200340107 490,703 11,939,255 SH   SOLE   11,127,687 0 811,568
Compass Minerals COM 20451n101 65,664 837,868 SH   SOLE   709,688 0 128,180
Cullen/Frost Bankers COM 229899109 83,586 1,314,658 SH   SOLE   1,115,133 0 199,525
Danone SA ADR COM 23636t100 598,970 47,537,302 SH   SOLE   44,392,256 0 3,145,046
Devon Energy Corp. COM 25179m103 447,641 12,069,036 SH   SOLE   11,249,306 0 819,730
Dollar General Corp COM 256677105 649,936 8,972,055 SH   SOLE   8,366,445 0 605,610
Donaldson Co. Inc. COM 257651109 49,232 1,753,286 SH   SOLE   1,484,036 0 269,250
Dun & Bradstreet COM 26483e100 41,774 397,844 SH   SOLE   338,944 0 58,900
Ebay, Inc. COM 278642103 444,953 18,205,945 SH   SOLE   16,969,571 0 1,236,374
Esterline Technologies COM 297425100 58,595 815,066 SH   SOLE   727,491 0 87,575
Expeditors Int'l. COM 302130109 494,724 10,514,858 SH   SOLE   9,805,942 0 708,916
Fairfax Financial COM 303901102 4,328 9,500 SH   SOLE   9,500 0 0
First Cash Financial COM 31942d107 43,945 1,096,990 SH   SOLE   918,565 0 178,425
Flir Systems Inc COM 302445101 73,783 2,636,066 SH   SOLE   2,327,601 0 308,465
Genpact, Ltd. COM g3922b107 135,778 5,750,851 SH   SOLE   4,888,451 0 862,400
Graham Holdings Co. COM 384637104 53,014 91,878 SH   SOLE   77,781 0 14,097
Greenlight Capital COM g4095j109 38,831 1,742,845 SH   SOLE   1,483,155 0 259,690
H.B. Fuller Co. COM 359694106 97,649 2,877,109 SH   SOLE   2,447,919 0 429,190
Honeywell Int'l Inc. COM 438516106 731,499 7,725,196 SH   SOLE   7,216,196 0 509,000
Interpublic Group COM 460690100 110,317 5,766,676 SH   SOLE   4,878,026 0 888,650
iShares S&P 500 COM 464287200 3,736 19,385 SH   SOLE   19,385 0 0
iShares S&P 600 COM 464287804 1,118 10,495 SH   SOLE   10,495 0 0
Kennametal Inc. COM 489170100 32,498 1,305,664 SH   SOLE   1,089,974 0 215,690
Kirby Corp. COM 497266106 50,332 812,468 SH   SOLE   691,293 0 121,175
Lindsay Corp. COM 535555106 50,133 739,536 SH   SOLE   627,961 0 111,575
Manpowergroup Inc. COM 56418H100 93,320 1,139,578 SH   SOLE   964,078 0 175,500
Microsoft Corp. COM 594918104 573,563 12,958,938 SH   SOLE   12,087,947 0 870,991
MKS Instruments COM 55306n104 44,037 1,313,356 SH   SOLE   1,116,591 0 196,765
MSC Industrial Direct COM 553530106 72,776 1,192,461 SH   SOLE   1,012,676 0 179,785
Nestle SA ADR COM 641069406 532,521 7,077,626 SH   SOLE   6,604,109 0 473,517
Net 1 UEPS Technologies Inc. COM 64107n206 397 23,700 SH   SOLE   11,000 0 12,700
NVR Inc. COM 62944t105 84,731 55,553 SH   SOLE   46,529 0 9,024
Omnicom Group COM 681919106 580,635 8,810,856 SH   SOLE   8,214,996 0 595,860
Paccar Inc. COM 693718108 512,416 9,822,048 SH   SOLE   9,161,374 0 660,674
Potash Corp. COM 73755l107 679,328 33,057,317 SH   SOLE   31,090,998 0 1,966,319
Progress Software COM 743312100 53,565 2,073,751 SH   SOLE   1,761,101 0 312,650
Progressive Corp. COM 743315103 683,498 22,307,370 SH   SOLE   20,808,130 0 1,499,240
Robert Half Int'l. Inc. COM 770323103 54,218 1,059,768 SH   SOLE   904,343 0 155,425
Rockwell Automation COM 773903109 157,418 1,551,375 SH   SOLE   1,445,275 0 106,100
Ross Stores Inc. COM 778296103 577,618 11,917,018 SH   SOLE   11,114,166 0 802,852
RPX Corp. COM 74972g103 62,330 4,543,018 SH   SOLE   3,862,098 0 680,920
Ryder System Inc. COM 783549108 55,862 754,478 SH   SOLE   644,148 0 110,330
Scansource Inc. COM 806037107 61,999 1,748,426 SH   SOLE   1,478,691 0 269,735
Schlumberger Ltd. COM 806857108 686,880 9,959,115 SH   SOLE   9,367,615 0 591,500
Smiths Group PLC - ADR COM 83238p203 214 13,950 SH   SOLE   3,550 0 10,400
Stanley Black & Deck COM 854502101 420,264 4,333,514 SH   SOLE   4,041,309 0 292,205
Sturm Ruger & Co. COM 864159108 36,484 621,640 SH   SOLE   550,540 0 71,100
TE Connectivity Ltd. COM H84989104 627,677 10,480,493 SH   SOLE   9,844,543 0 635,950
TriMas Corp. COM 896215209 33,537 2,051,210 SH   SOLE   1,742,110 0 309,100
UniFirst Corp. COM 904708104 48,653 455,506 SH   SOLE   386,806 0 68,700
Unilever PLC ADR COM 904767704 372,987 9,146,311 SH   SOLE   8,534,332 0 611,979
UnitedHealth Group COM 91324P102 753,802 6,497,733 SH   SOLE   6,056,489 0 441,244
Valmont Industries COM 920253101 48,936 515,717 SH   SOLE   438,636 0 77,081
Varian Medical Sys. COM 92220p105 61,771 837,231 SH   SOLE   707,086 0 130,145
W.R. Berkley Corp. COM 084423102 105,058 1,932,283 SH   SOLE   1,639,207 0 293,076
Woodward Inc. COM 980745103 106,409 2,614,477 SH   SOLE   2,224,787 0 389,690
Zions Bancorporation COM 989701107 44,057 1,599,743 SH   SOLE   1,362,697 0 237,046