Consoldidated Statements of Shareholder's Equity (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended											3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended									3 Months Ended	12 Months Ended
	Sep. 30, 2010 Predecessor [Member]	Jun. 30, 2010 Predecessor [Member]	Jun. 30, 2009 Predecessor [Member]	Sep. 30, 2010 Predecessor [Member] Common Stock [Member]	Jun. 30, 2010 Predecessor [Member] Common Stock [Member]	Jun. 30, 2009 Predecessor [Member] Common Stock [Member]	Sep. 30, 2010 Predecessor [Member] Additional Paid-in Capital [Member]	Jun. 30, 2010 Predecessor [Member] Additional Paid-in Capital [Member]	Jun. 30, 2009 Predecessor [Member] Additional Paid-in Capital [Member]	Sep. 30, 2010 Predecessor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Jun. 30, 2010 Predecessor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Jun. 30, 2009 Predecessor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Sep. 30, 2010 Predecessor [Member] Retained Earnings [Member]	Jun. 30, 2010 Predecessor [Member] Retained Earnings [Member]	Jun. 30, 2009 Predecessor [Member] Retained Earnings [Member]	Dec. 31, 2010 Successor [Member]	Dec. 31, 2012 Successor [Member]	Dec. 31, 2011 Successor [Member]	Sep. 30, 2010 Successor [Member]	Dec. 31, 2011 Successor [Member] Additional Paid-in Capital [Member]	Dec. 31, 2010 Successor [Member] Additional Paid-in Capital [Member]	Sep. 30, 2010 Successor [Member] Additional Paid-in Capital [Member]	Dec. 31, 2012 Successor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Dec. 31, 2011 Successor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Dec. 31, 2010 Successor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Dec. 31, 2010 Successor [Member] Retained Earnings [Member]	Dec. 31, 2012 Successor [Member] Retained Earnings [Member]	Dec. 31, 2011 Successor [Member] Retained Earnings [Member]
Other Comprehensive Income (Loss), Tax	$ (3,027)															$ 151
Common Stock, Shares, Outstanding	137,751,364	136,856,360	134,977,812													500	500	500	500
Common Stock Issued On Exercise Of Warrants Shares	438,112
Stock Issued During Period, Shares, Employee Stock Purchase Plans	439,580	1,041,137
Stock Issued During Period, Value, Stock Options Exercised		8
Stock Issued During Period Value Warrants Exercised	4
Stock Issued During Period, Value, Employee Benefit Plans	5	11
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options	282	11,597
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	3,395	9,434
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Warrants	(4)
Adjustments to Additional Paid in Capital, Share-based Compensation and Employee Benefit Plans	1,851	4,020
Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards	(16,062)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	5,019	15,115															3,716	17,106
Amortization Of Warrant Costs		1,968
True up of payments under tax-sharing agreement and separate return basis																	(285)	(528)
Stockholders' Equity Attributable to Parent	2,450,621			1,378	1,369	1,350	321,576	327,095	284,961	17,153	11,870	(21,099)	2,150,480	2,099,005	1,878,459	3,530,108				3,470,495	3,453,917	3,453,917	(3,254)	(7,617)	1,558	74,633	923,286	460,160
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	5,283	32,969														1,558	4,363	(9,175)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net	175
Net Income (Loss) Attributable to Parent	51,300	220,546											51,300	220,546		74,633										74,633	463,126	385,527
Treasury Stock, Shares	1,955,736	1,916,510	1,806,446
Stock Issued During Period, Shares, Treasury Stock Reissued	39,226	110,064
Treasury Stock, Value	(39,966)	(38,915)	(36,363)
Stock Issued During Period, Value, Treasury Stock Reissued	$ (1,051)	$ (2,552)