Description of Business and Summary of Significant Accounting Policies (Other Current and Long-Term Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 25, 2010
Composition of other current liabilities
Accrued income taxes	$ 10,552	$ 18,372
Current deferred tax liability	1,379	963
Accrued intereset and other	2,102	760
Other current liabilities	14,033	20,095
Composition of other long-term liabilities
Deferred tax liability	16,074	30,050
Long-term pension liability	49,223	36,335
Accrued Executive Supplemental Life Insurance Retirement Plan and Deferred Compensation Plan	25,739	24,659
Other long-term liabilities	17,415	23,552
Other long-term liabilities	$ 108,451	$ 114,596