Consolidated Statements of Changes in Common Shareholders' Equity (USD $) In Thousands	Total	Class A Common Stock [Member]	Class B Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Cumulative Foreign Currency Translation Adjustment [Member]	Unrealized Gain on Available- for- Sale Securities [Member]	Unrealized Gain (Loss) on Pensions and Other Postretirement Plans [Member]	Treasury Stock [Member]	Cash Flow Hedge [Member]	Noncontrolling Interest [Member]
Beginning Balance at Dec. 28, 2008		$ 1,292	$ 18,708	$ 232,201	$ 4,313,287	$ (3,412)	$ 72,646	$ (79,914)	$ (1,697,268)	$ 0	$ 885
Net income for the year	91,200				91,200
Net income (loss) attributable to noncontrolling interest	(1,574)				141						(141)
Net loss attributable to redeemable noncontrolling interest					1,433
Dividends paid on common stock					(80,844)
Dividends paid on redeemable preferred stock	928				(928)
Repurchase of Class B common stock	60,956		61,000						(60,956)
Issuance of Class B common stock, net of restricted stock award forfeitures				(7,677)					7,538
Amortization of unearned stock compensation and stock option expense				9,346
Change in foreign currency translation adjustment (net of taxes)						30,422
Change in unrealized gain on available-for-sale securities (net of taxes)							5,846
Adjustment for pensions and other postretirement plans (net of taxes)								78,924
Taxes arising from employee stock plans				(1,719)
Other				9,284							(273)
Ending Balance at Jan. 03, 2010		1,292	18,708	241,435	4,324,289	27,010	78,492	(990)	(1,750,686)	0	471
Net income for the year	278,020				278,020
Net income (loss) attributable to noncontrolling interest	(94)				(44)						44
Net loss attributable to redeemable noncontrolling interest					138
Dividends paid on common stock					(81,168)
Dividends paid on redeemable preferred stock	922				(922)
Repurchase of Class B common stock	404,816		404,800						(404,816)
Issuance of Class B common stock, net of restricted stock award forfeitures				597					(2,324)
Amortization of unearned stock compensation and stock option expense				8,054
Change in foreign currency translation adjustment (net of taxes)						10,596
Change in unrealized gain on available-for-sale securities (net of taxes)							(7,785)
Adjustment for pensions and other postretirement plans (net of taxes)								74,816
Conversion of Class A common stock to Class B common stock		(51)	51
Taxes arising from employee stock plans				(348)
Other				(19)	19						(515)
Ending Balance at Jan. 02, 2011	2,814,364	1,241	18,759	249,719	4,520,332	37,606	70,707	73,826	(2,157,826)	0	0
Net income for the year	117,157				117,157
Net income (loss) attributable to noncontrolling interest	7
Net loss attributable to redeemable noncontrolling interest					(7)
Dividends paid on common stock					(74,576)
Dividends paid on redeemable preferred stock	917				(917)
Repurchase of Class B common stock	248,055		248,100						(248,055)
Issuance of Class B common stock, net of restricted stock award forfeitures				(8,040)					7,692
Amortization of unearned stock compensation and stock option expense				11,789
Change in foreign currency translation adjustment (net of taxes)						(16,268)
Change in unrealized gain on available-for-sale securities (net of taxes)							9,651
Adjustment for pensions and other postretirement plans (net of taxes)								(10,201)
Conversion of Class A common stock to Class B common stock		(12)	12
Taxes arising from employee stock plans				(701)
Cash flow hedge										8
Ending Balance at Dec. 31, 2011	$ 2,601,896	$ 1,229	$ 18,771	$ 252,767	$ 4,561,989	$ 21,338	$ 80,358	$ 63,625	$ (2,398,189)	$ 8	$ 0