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 190,658 6,799,492 SH   SOLE   6,241,814 0 557,678
21st Century Fox - B COM 90130a200 391,616 14,371,232 SH   SOLE   13,180,279 0 1,190,953
Accenture Plc. COM g1151c101 797,071 6,805,012 SH   SOLE   6,409,474 0 395,538
Allscripts Healthcare COM 01988P108 48,020 4,703,240 SH   SOLE   4,030,040 0 673,200
American Express COM 025816109 370,870 5,006,338 SH   SOLE   4,590,803 0 415,535
AmerisourceBergen COM 03073e105 432,695 5,533,898 SH   SOLE   5,058,410 0 475,488
Anixter Int'l. COM 035290105 90,892 1,121,433 SH   SOLE   962,423 0 159,010
Applied Ind. Tech. COM 03820c105 90,009 1,515,304 SH   SOLE   1,299,854 0 215,450
Armstrong World Ind. COM 04247x102 73,601 1,760,781 SH   SOLE   1,513,481 0 247,300
Arrow Electronics Inc. COM 042735100 124,376 1,744,400 SH   SOLE   1,491,975 0 252,425
Avery Dennison Corp. COM 053611109 63,892 909,889 SH   SOLE   782,884 0 127,005
Bank of NY Mellon COM 064058100 496,324 10,475,399 SH   SOLE   9,603,733 0 871,666
Berkshire Hath Cl B COM 084670702 708,620 4,347,898 SH   SOLE   3,985,896 0 362,002
Broadridge Financial COM 11133t103 96,792 1,459,906 SH   SOLE   1,249,391 0 210,515
Cable One, Inc. COM 12685j105 72,058 115,899 SH   SOLE   98,945 0 16,954
Carlisle Cos. Inc. COM 142339100 33,654 305,144 SH   SOLE   262,294 0 42,850
Cerner Corporation COM 156782104 239,174 5,049,070 SH   SOLE   4,632,984 0 416,086
Comcast Corp. COM 20030n101 674,519 9,768,552 SH   SOLE   8,957,374 0 811,178
Compass Minerals COM 20451n101 55,504 708,413 SH   SOLE   607,558 0 100,855
Devon Energy Corp. COM 25179m103 409,831 8,973,744 SH   SOLE   8,217,413 0 756,331
Dollar General Corp COM 256677105 597,642 8,068,613 SH   SOLE   7,400,894 0 667,719
Dun & Bradstreet COM 26483e100 40,118 330,677 SH   SOLE   282,727 0 47,950
Ebay, Inc. COM 278642103 478,648 16,121,520 SH   SOLE   14,775,243 0 1,346,277
ePlus Inc. COM 294268107 53,957 468,375 SH   SOLE   402,175 0 66,200
Esterline Technologies COM 297425100 70,804 793,764 SH   SOLE   705,964 0 87,800
Expeditors Int'l. COM 302130109 477,519 9,016,591 SH   SOLE   8,265,959 0 750,632
Fairfax Financial COM 303901102 3,261 6,700 SH   SOLE   6,700 0 0
FirstCash Inc. COM 33767d105 111,597 2,374,410 SH   SOLE   2,038,053 0 336,357
Genpact, Ltd. COM g3922b107 117,403 4,823,440 SH   SOLE   4,123,165 0 700,275
Graham Holdings Co. COM 384637104 96,565 188,622 SH   SOLE   162,071 0 26,551
Greenlight Capital COM g4095j109 47,594 2,087,450 SH   SOLE   1,795,885 0 291,565
H.B. Fuller Co. COM 359694106 78,668 1,628,401 SH   SOLE   1,396,636 0 231,765
Honeywell Int'l Inc. COM 438516106 583,698 5,038,398 SH   SOLE   4,628,231 0 410,167
Interpublic Group COM 460690100 107,015 4,571,327 SH   SOLE   3,896,077 0 675,250
iShares S&P 500 COM 464287200 4,664 20,730 SH   SOLE   20,730 0 0
iShares S&P 600 COM 464287804 873 6,345 SH   SOLE   6,345 0 0
JPMorgan Chase COM 46625h100 541,976 6,280,865 SH   SOLE   5,758,581 0 522,284
Kennedy-Wilson Hld. COM 489398107 39,675 1,935,390 SH   SOLE   1,657,015 0 278,375
Kirby Corp. COM 497266106 91,237 1,371,988 SH   SOLE   1,177,288 0 194,700
Level 3 Comm. COM 52729n308 313,791 5,567,620 SH   SOLE   5,114,959 0 452,661
Manpowergroup Inc. COM 56418H100 119,049 1,339,586 SH   SOLE   1,143,611 0 195,975
MEDNAX, Inc. COM 58502b106 993 14,890 SH   SOLE   8,615 0 6,275
Microsoft Corp. COM 594918104 278,195 4,476,915 SH   SOLE   4,106,516 0 370,399
MKS Instruments COM 55306n104 65,623 1,104,766 SH   SOLE   949,176 0 155,590
MSC Industrial Direct COM 553530106 66,086 715,292 SH   SOLE   618,332 0 96,960
Nestle SA ADR COM 641069406 257,443 3,588,549 SH   SOLE   3,294,236 0 294,313
Net 1 UEPS Technologies Inc. COM 64107n206 272 23,700 SH   SOLE   11,000 0 12,700
NVR Inc. COM 62944t105 28,356 16,990 SH   SOLE   14,555 0 2,435
Omnicom Group COM 681919106 457,733 5,378,130 SH   SOLE   4,928,764 0 449,366
Oracle Corp COM 68389x105 263,566 6,854,765 SH   SOLE   6,283,273 0 571,492
Paccar Inc. COM 693718108 467,073 7,309,444 SH   SOLE   6,705,304 0 604,140
Penske Automotive COM 70959w103 66,034 1,273,810 SH   SOLE   1,097,410 0 176,400
Potash Corp. COM 73755l107 658,159 36,382,476 SH   SOLE   34,265,053 0 2,117,423
Progress Software COM 743312100 55,577 1,740,602 SH   SOLE   1,493,327 0 247,275
Progressive Corp. COM 743315103 424,394 11,954,755 SH   SOLE   10,958,311 0 996,444
Robert Half Int'l. Inc. COM 770323103 100,839 2,067,211 SH   SOLE   1,771,411 0 295,800
Rockwell Automation COM 773903109 161,697 1,203,105 SH   SOLE   1,104,653 0 98,452
Ross Stores Inc. COM 778296103 264,650 4,034,296 SH   SOLE   3,699,893 0 334,403
RPX Corp. COM 74972g103 12,917 1,196,050 SH   SOLE   1,042,150 0 153,900
Ryder System Inc. COM 783549108 80,240 1,077,911 SH   SOLE   926,431 0 151,480
Schlumberger Ltd. COM 806857108 781,604 9,310,349 SH   SOLE   8,766,366 0 543,983
Smiths Group PLC - ADR COM 83238p203 248 13,950 SH   SOLE   3,550 0 10,400
Stanley Black & Deck COM 854502101 423,751 3,694,747 SH   SOLE   3,388,211 0 306,536
TE Connectivity Ltd. COM H84989104 643,313 9,285,702 SH   SOLE   8,705,051 0 580,651
TriMas Corp. COM 896215209 59,056 2,513,010 SH   SOLE   2,164,160 0 348,850
UniFirst Corp. COM 904708104 32,798 228,319 SH   SOLE   195,569 0 32,750
Unilever PLC ADR COM 904767704 275,885 6,778,508 SH   SOLE   6,222,822 0 555,686
UnitedHealth Group COM 91324P102 617,114 3,855,999 SH   SOLE   3,534,260 0 321,739
Valmont Industries COM 920253101 61,093 433,592 SH   SOLE   372,261 0 61,331
Varian Medical Sys. COM 92220p105 65,089 724,981 SH   SOLE   617,136 0 107,845
W.R. Berkley Corp. COM 084423102 71,600 1,076,531 SH   SOLE   921,150 0 155,381
Woodward Inc. COM 980745103 97,906 1,417,895 SH   SOLE   1,218,105 0 199,790
Zions Bancorporation COM 989701107 57,373 1,333,008 SH   SOLE   1,145,287 0 187,721