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
21st Century Fox - A COM 90130a101 179,042 7,392,311 SH   SOLE   6,804,086 0 588,225
21st Century Fox - B COM 90130a200 372,687 15,064,146 SH   SOLE   13,819,646 0 1,244,500
Accenture Plc. COM g1151c101 823,073 6,737,115 SH   SOLE   6,326,804 0 410,311
Allscripts Healthcare COM 01988P108 52,152 3,959,900 SH   SOLE   3,373,500 0 586,400
American Express COM 025816109 337,959 5,277,314 SH   SOLE   4,845,011 0 432,303
AmerisourceBergen COM 03073e105 471,619 5,838,312 SH   SOLE   5,350,010 0 488,302
Anixter Int'l. COM 035290105 70,267 1,089,407 SH   SOLE   930,472 0 158,935
Applied Ind. Tech. COM 03820c105 69,002 1,476,300 SH   SOLE   1,257,500 0 218,800
AptarGroup Inc. COM 038336103 209 2,700 SH   SOLE   1,200 0 1,500
Armstrong World Ind. COM 04247x102 68,332 1,653,725 SH   SOLE   1,407,100 0 246,625
Arrow Electronics Inc. COM 042735100 100,195 1,566,284 SH   SOLE   1,329,759 0 236,525
Avery Dennison Corp. COM 053611109 66,845 859,299 SH   SOLE   732,344 0 126,955
Bank of NY Mellon COM 064058100 441,852 11,079,527 SH   SOLE   10,176,739 0 902,788
Berkshire Hath Cl B COM 084670702 665,524 4,606,661 SH   SOLE   4,226,493 0 380,168
Broadridge Financial COM 11133t103 96,713 1,426,658 SH   SOLE   1,211,753 0 214,905
Cable One, Inc. COM 12685j105 65,436 112,048 SH   SOLE   95,070 0 16,978
Carlisle Cos. Inc. COM 142339100 30,439 296,762 SH   SOLE   253,962 0 42,800
Comcast Corp. COM 20030n101 683,842 10,308,135 SH   SOLE   9,462,876 0 845,259
Compass Minerals COM 20451n101 50,429 684,246 SH   SOLE   582,641 0 101,605
Danone SA ADR COM 23636t100 219,155 14,757,938 SH   SOLE   13,567,952 0 1,189,986
Devon Energy Corp. COM 25179m103 421,555 9,556,894 SH   SOLE   8,768,474 0 788,420
Dollar General Corp COM 256677105 594,728 8,497,328 SH   SOLE   7,804,828 0 692,500
Donaldson Co. Inc. COM 257651109 30,626 820,400 SH   SOLE   710,900 0 109,500
Dun & Bradstreet COM 26483e100 44,030 322,282 SH   SOLE   274,082 0 48,200
Ebay, Inc. COM 278642103 560,340 17,031,598 SH   SOLE   15,636,239 0 1,395,359
ePlus Inc. COM 294268107 42,518 450,350 SH   SOLE   383,375 0 66,975
Esterline Technologies COM 297425100 58,127 764,425 SH   SOLE   675,800 0 88,625
Expeditors Int'l. COM 302130109 490,761 9,525,638 SH   SOLE   8,747,752 0 777,886
Fairfax Financial COM 303901102 3,927 6,700 SH   SOLE   6,700 0 0
FirstCash Inc. COM 33767d105 108,232 2,298,904 SH   SOLE   1,960,518 0 338,386
Flir Systems Inc COM 302445101 51,179 1,628,865 SH   SOLE   1,416,025 0 212,840
Genpact, Ltd. COM g3922b107 105,057 4,386,525 SH   SOLE   3,702,425 0 684,100
Graham Holdings Co. COM 384637104 71,557 148,653 SH   SOLE   126,584 0 22,069
Greenlight Capital COM g4095j109 41,247 2,017,940 SH   SOLE   1,725,875 0 292,065
H.B. Fuller Co. COM 359694106 109,205 2,350,006 SH   SOLE   2,003,941 0 346,065
Honeywell Int'l Inc. COM 438516106 367,654 3,153,393 SH   SOLE   2,900,363 0 253,030
Interpublic Group COM 460690100 84,112 3,763,400 SH   SOLE   3,146,375 0 617,025
JPMorgan Chase COM 46625h100 445,813 6,694,889 SH   SOLE   6,150,014 0 544,875
Kennedy-Wilson Hld. COM 489398107 33,620 1,490,900 SH   SOLE   1,254,300 0 236,600
Kirby Corp. COM 497266106 83,042 1,335,937 SH   SOLE   1,138,362 0 197,575
Level 3 Comm. COM 52729n308 263,625 5,684,025 SH   SOLE   5,207,375 0 476,650
Manpowergroup Inc. COM 56418H100 92,863 1,285,125 SH   SOLE   1,087,425 0 197,700
Microsoft Corp. COM 594918104 352,148 6,113,676 SH   SOLE   5,612,325 0 501,351
MKS Instruments COM 55306n104 53,510 1,076,019 SH   SOLE   918,004 0 158,015
MSC Industrial Direct COM 553530106 77,369 1,053,935 SH   SOLE   897,675 0 156,260
Nestle SA ADR COM 641069406 439,922 5,567,223 SH   SOLE   5,117,171 0 450,052
Net 1 UEPS Technologies Inc. COM 64107n206 203 23,700 SH   SOLE   11,000 0 12,700
NVR Inc. COM 62944t105 27,955 17,047 SH   SOLE   14,249 0 2,798
Omnicom Group COM 681919106 481,491 5,664,595 SH   SOLE   5,200,575 0 464,020
Paccar Inc. COM 693718108 453,964 7,723,107 SH   SOLE   7,095,888 0 627,219
Penske Automotive COM 70959w103 59,862 1,242,475 SH   SOLE   1,064,875 0 177,600
Potash Corp. COM 73755l107 594,130 36,405,018 SH   SOLE   34,202,974 0 2,202,044
Progress Software COM 743312100 45,904 1,687,655 SH   SOLE   1,436,280 0 251,375
Progressive Corp. COM 743315103 398,816 12,660,812 SH   SOLE   11,626,967 0 1,033,845
Robert Half Int'l. Inc. COM 770323103 63,156 1,668,139 SH   SOLE   1,410,289 0 257,850
Rockwell Automation COM 773903109 161,373 1,319,052 SH   SOLE   1,208,477 0 110,575
Ross Stores Inc. COM 778296103 437,501 6,804,058 SH   SOLE   6,247,278 0 556,780
RPX Corp. COM 74972g103 27,375 2,560,851 SH   SOLE   2,179,726 0 381,125
Ryder System Inc. COM 783549108 69,073 1,047,360 SH   SOLE   893,405 0 153,955
Scansource Inc. COM 806037107 24,797 679,376 SH   SOLE   578,391 0 100,985
Schlumberger Ltd. COM 806857108 731,004 9,295,581 SH   SOLE   8,731,736 0 563,845
Smiths Group PLC - ADR COM 83238p203 269 13,950 SH   SOLE   3,550 0 10,400
Stanley Black & Deck COM 854502101 479,564 3,899,531 SH   SOLE   3,581,706 0 317,825
TE Connectivity Ltd. COM H84989104 603,276 9,370,555 SH   SOLE   8,764,900 0 605,655
TriMas Corp. COM 896215209 45,361 2,437,450 SH   SOLE   2,085,575 0 351,875
UniFirst Corp. COM 904708104 61,048 462,975 SH   SOLE   395,700 0 67,275
Unilever PLC ADR COM 904767704 340,781 7,189,473 SH   SOLE   6,609,454 0 580,019
UnitedHealth Group COM 91324P102 570,696 4,076,403 SH   SOLE   3,742,379 0 334,024
Valmont Industries COM 920253101 56,968 423,331 SH   SOLE   360,625 0 62,706
Varian Medical Sys. COM 92220p105 69,016 693,420 SH   SOLE   585,325 0 108,095
W.R. Berkley Corp. COM 084423102 59,310 1,026,833 SH   SOLE   869,702 0 157,131
Woodward Inc. COM 980745103 133,021 2,129,020 SH   SOLE   1,816,855 0 312,165
Zions Bancorporation COM 989701107 40,188 1,295,538 SH   SOLE   1,104,767 0 190,771