CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Cash flows from operating activities
Net income	$ 475,007	$ 500,127	$ 622,820
Adjustments to reconcile net income to operating cash flows:
Gain on sale of discontinued operations, net of tax	0	0	(21,195)
Depreciation	160,746	165,739	183,322
Amortization of intangible assets	33,293	31,634	31,362
Facility consolidation and asset impairment charges (see Notes 3 and 4)	122,129	41,772	57,009
Stock-based compensation-equity awards	26,608	28,003	32,707
Provision for deferred income taxes	122,700	97,500	150,363
Pension expense, net of pension contributions	(95,377)	(42,330)	(124,864)
Equity income in unconsolidated investees, net (see Notes 3 and 6)	(22,387)	(8,197)	(19,140)
Other, net, including gains on asset sales	(36,056)	(1,639)	(3,996)
Decrease in trade receivables	35,799	33,464	34,909
Decrease (increase) in other receivables	6,200	12,273	(5,182)
Decrease (increase) in inventories	(7,167)	22,932	(10,434)
Decrease in accounts payable	(3,284)	(12,614)	(15,199)
Increase (decrease) in interest and taxes payable	853	(57,173)	(98,270)
Increase (decrease) in deferred income	(5,294)	4,595	4,745
Change in other assets and liabilities, net	(57,030)	(1,950)	(46,073)
Net cash flow from operating activities	756,740	814,136	772,884
Cash flows from investing activities
Purchase of property, plant and equipment	(91,874)	(72,451)	(69,070)
Payments for acquisitions, net of cash acquired	(67,244)	(23,020)	(15,164)
Payments for investments	(2,501)	(19,406)	(10,984)
Proceeds from investments	35,629	52,982	45,478
Proceeds from sale of certain assets, including discontinued operations in 2010	39,009	36,976	112,706
Net cash (used for) provided by investing activities	(86,981)	(24,919)	62,966
Cash flows from financing activities
Proceeds from (payments of) borrowings under revolving credit facilities	(30,000)	14,000	(1,160,000)
Proceeds from issuance of long-term debt	0	0	493,743
Dividends paid	(158,822)	(47,946)	(38,216)
Cost of common shares repurchased	(153,948)	(53,037)	0
Proceeds from issuance of common stock upon exercise of stock options	33,748	3,609	3,214
Repurchase of and distributions to noncontrolling membership interests	(47,100)	(108,691)	0
Deferred payments for acquisitions	(1,027)	0	0
Net cash used for financing activities	(663,720)	(805,497)	(751,259)
Effect of currency exchange rate change	2,065	192	(372)
Increase (decrease) in cash and cash equivalents	8,104	(16,088)	84,219
Balance of cash and cash equivalents at beginning of year	166,926	183,014	98,795
Balance of cash and cash equivalents at end of year	175,030	166,926	183,014
Floating Rate Term Loan
Cash flows from financing activities
Payments of unsecured debt	0	(180,000)	0
Fixed Rate Notes and Other Indebtedness
Cash flows from financing activities
Payments of unsecured debt	$ (306,571)	$ (433,432)	$ (50,000)