Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 25, 2012
Cash flows from operating activities:
Net income	$ 116,463	$ 75,834
Adjustments to reconcile net income to operating cash flows:
Depreciation and amortization	48,054	47,582
Facility consolidation charges	5,705	4,788
Pension contributions, net of pension expense	(72,241)	(47,604)
Equity income in unconsolidated investees, net	(7,794)	(4,312)
Stock-based compensation – equity awards	8,232	6,631
Change in other assets and liabilities, net	(62,136)	79,168
Net cash flow from operating activities	36,283	162,087
Cash flows from investing activities:
Purchase of property, plant and equipment	(16,097)	(18,165)
Payments for acquisitions, net of cash acquired	(1,641)	(8,004)
Payments for investments	(1,001)	(500)
Proceeds from investments	10,060	4,326
Proceeds from sale of assets	2,348	642
Net cash used for investing activities	(6,331)	(21,701)
Cash flows from financing activities:
Proceeds from (payments of) borrowings under revolving credit agreements, net	15,000	(97,000)
Dividends paid	(45,806)	(18,952)
Cost of common shares repurchased	(32,770)	(35,525)
Proceeds from issuance of common stock upon exercise of stock options	5,918	2,275
Distribution to noncontrolling interests	(218)	0
Deferred payments for acquisitions	(3,693)	(1,027)
Net cash used for financing activities	(61,569)	(150,229)
Effect of currency exchange rate change on cash	(580)	396
Net decrease in cash and cash equivalents	(32,197)	(9,447)
Balance of cash and cash equivalents at beginning of period	175,030	166,926
Balance of cash and cash equivalents at end of period	$ 142,833	$ 157,479