CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) (USD $) In Thousands, except Per Share data, unless otherwise specified	Total	Predecessor [Member] USD ($)	Predecessor [Member] Common Stock [Member] USD ($)	Predecessor [Member] Premium on Capital Stock [Member] USD ($)	Predecessor [Member] Treasury Stock, at cost [Member] USD ($)	Predecessor [Member] Common Stock Held In Trust [Member] USD ($)	Predecessor [Member] Deferred Compensation Plans [Member] USD ($)	Predecessor [Member] Accumulated Other Comprehensive Income (Loss) [Member] USD ($)	Predecessor [Member] Retained Earnings (Accumulated Losses) [Member] USD ($)	Successor [Member] USD ($)	Successor [Member] Common Stock [Member] USD ($)	Successor [Member] Premium on Capital Stock [Member] USD ($)	Successor [Member] Treasury Stock, at cost [Member] USD ($)	Successor [Member] Common Stock Held In Trust [Member] USD ($)	Successor [Member] Deferred Compensation Plans [Member] USD ($)	Successor [Member] Accumulated Other Comprehensive Income (Loss) [Member] USD ($)	Successor [Member] Retained Earnings (Accumulated Losses) [Member] USD ($)
Beginning balance at Dec. 31, 2011		$ 2,639,611	$ 126,142	$ 1,934,102	$ (33,228)	$ (10,888)	$ 10,888	$ (119,192)	$ 731,787
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income, net of tax		12,315						12,315
Share-based compensation		1,654		1,654
Restricted stock issuances		(2,864)	186	(186)	(2,864)
Exercise of stock options		84	5	79
Contributions to Trust						(399)	399
Disbursements from Trust						650	(650)
Purchase of treasury stock		(1,450,000)			(1,450,000)
Net income		49,917							49,917
Common stock, par value (in dollars per share)	1	$ 1
Ending balance at Mar. 25, 2012		1,250,717	126,333	1,935,649	(1,486,092)	(10,637)	10,637	(106,877)	781,704	3,912,867		3,912,867
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income, net of tax										(3,736)						(3,736)
Share-based compensation										276		276
Dividends paid on common stock										(65,000)	0	0	0	0	0	0	(65,000)
Net income										(9,796)							(9,796)
Common stock, par value (in dollars per share)										$ 0.01
Ending balance at Sep. 30, 2012										3,834,611		3,913,143				(3,736)	(74,796)
Beginning balance at Jun. 30, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income, net of tax										(7,670)
Net income										16,986
Common stock, par value (in dollars per share)										$ 0.01
Ending balance at Sep. 30, 2012										$ 3,834,611