CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 25, 2012	Mar. 27, 2011
Cash flows from operating activities:
Net income	$ 75,834	$ 98,142
Adjustments to reconcile net income to operating cash flows:
Depreciation and amortization	47,582	49,927
Facility consolidation charges	4,788	7,656
Pension contributions, net of pension expense	(47,604)	(1,583)
Equity income in unconsolidated investees, net	(4,312)	(3,458)
Stock-based compensation - equity awards	6,631	9,653
Change in other assets and liabilities, net	79,168	63,745
Net cash flow from operating activities	162,087	224,082
Cash flows from investing activities:
Purchase of property, plant and equipment	(18,165)	(12,628)
Payments for acquisitions, net of cash acquired	(8,004)	(2,280)
Payments for investments	(500)	(475)
Proceeds from investments	4,326	5,465
Proceeds from sale of assets	642	3,910
Net cash used for investing activities	(21,701)	(6,008)
Cash flows from financing activities:
Payments of borrowings under revolving credit agreements, net	(97,000)	(166,000)
Dividends paid	(18,952)	(9,576)
Cost of common shares repurchased	(35,525)
Proceeds from issuance of common stock upon exercise of stock options	2,275	1,416
Repurchase of noncontrolling membership interest		(85,149)
Deferred payments for acquisitions	(1,027)
Net cash used for financing activities	(150,229)	(259,309)
Effect of currency exchange rate change on cash	396	438
Net decrease in cash and cash equivalents	(9,447)	(40,797)
Balance of cash and cash equivalents at beginning of period	166,926	183,014
Balance of cash and cash equivalents at end of period	$ 157,479	$ 142,217