CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 25, 2011	Dec. 26, 2010
Accounts receivable, allowance for doubtful accounts	$ 18,637	$ 30,209
Goodwill, accumulated impairment lossese	957,311	805,218
Other intangible assets acquired, accumulated amortization	$ 71,223	$ 69,383
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	200,000	200,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.10	$ 0.10
Class A Common Stock
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	150,007,446	149,302,487
Treasury stock, shares	2,979,786	3,970,238
Class B Common Stock
Common stock, shares authorized	818,885	819,125
Common stock, shares issued	818,885	819,125
Treasury stock, shares	0	0