CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 31, 2010
Cash Flows From Operating Activities
Net earnings	$ 149,126	$ 142,328	$ 102,840
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	38,762	32,483	33,973
Deferred income taxes	(10,786)	(1,814)	(4,248)
Share-based compensation	12,409	10,994	10,024
Excess tax benefit related to share-based payment arrangements	(4,217)	(2,195)	(1,988)
Change in
Accounts receivable	(2,752)	(26,767)	(23,285)
Inventories	5,941	(13,440)	(32,997)
Trade accounts payable	(952)	5,974	1,670
Salaries and incentives	(4,251)	(3,469)	20,453
Retirement benefits and deferred compensation	3,209	7,228	(1,428)
Other accrued liabilities	3,288	8,148	(18)
Other	(95)	2,574	(3,873)
Net cash from operating activities	189,682	162,044	101,123
Cash Flows From Investing Activities
Property, plant and equipment additions	(18,234)	(23,854)	(16,620)
Acquisition of businesses, net of cash acquired	(240,068)	(2,139)	0
Investment in businesses held separate	(426,813)	0	0
Other	(9,405)	(2,004)	(2,149)
Net cash used in investing activities	(694,520)	(27,997)	(18,769)
Cash Flows From Financing Activities
Borrowings (payments) on short-term lines of credit, net	(619)	497	(3,205)
Borrowings on notes and long-term line of credit	649,325	402,175	140,540
Payments on long-term line of credit	(392,845)	(172,430)	(156,545)
Payments of debt issuance costs	(1,921)	(1,131)	0
Excess tax benefit related to share-based payment arrangements	4,217	2,195	1,988
Common stock issued	30,194	22,231	12,794
Common stock repurchased	(1,378)	(43,250)	(24,218)
Cash dividends paid	(54,302)	(50,646)	(48,146)
Net cash from (used in) financing activities	232,671	159,641	(76,792)
Effect of exchange rate changes on cash	137	(129)	(1,383)
Net increase (decrease) in cash and cash equivalents	(272,030)	293,559	4,179
Cash and Cash Equivalents
Beginning of year	303,150	9,591	5,412
End of year	$ 31,120	$ 303,150	$ 9,591