Income Taxes (Provision (Benefit) for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 01, 2012
Federal income taxes:
Current			$ 12,393	$ (26,841)	$ 36,631
Deferred			(5,393)	(4,449)	(78,275)
Federal Income Tax Expense (Benefit), Continuing Operations, Total			7,000	(31,290)	(41,644)
State income taxes:
Current			4,302	2,294	5,020
Deferred			(1,422)	(1,221)	(8,770)
State and Local Income Tax Expense (Benefit), Continuing Operations, Total			2,880	1,073	(3,750)
Foreign:
Current			7,753	4,445	5,497
Deferred			(3,540)	(278)	(665)
Foreign Income Tax Expense (Benefit), Continuing Operations, Total			4,213	4,167	4,832
Total provision (benefit) for income taxes from continuing operations			14,093	(26,050)	(40,562)
Discontinued operations:
Tax benefit from operations of discontinued business	0	0	0	0	(7,805)	7,805
Total provision (benefit) for income taxes			$ 14,093	$ (26,050)	$ (48,367)