Condensed Consolidated Statements of Stockholders' Equity and Comprehensive (Loss) Income (USD $) In Thousands	Total	Common Stock	Capital in Excess of Par	(Accumulated deficit) Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Comprehensive Income (Loss)	Predecessor	Predecessor Common Stock	Predecessor Capital in Excess of Par	Predecessor (Accumulated deficit) Retained Earnings	Predecessor Accumulated Other Comprehensive (Loss) Income	Predecessor Comprehensive Income (Loss)
Balance at Sep. 30, 2009							$ 1,127,825	$ 495	$ 145,885	$ 984,797	$ (3,352)
Balance (in shares) at Sep. 30, 2009								61,874
Components of comprehensive (loss) income:
Net (loss) income							188,425			188,425		188,425
Foreign currency translation adjustment and other, net of taxes							(26,866)				(26,866)	(26,866)
Change in fair value of interest rate and cross currency swaps, net of taxes							2,095				2,095	2,095
Comprehensive (loss) income:							163,654					163,654
Exercise of stock options							10,324	12	10,312
Exercise of stock options (in shares)								1,537
Excess tax benefit from exercise of stock options							6,097		6,097
Stock-based compensation							5,308		5,308
Balance at Jun. 30, 2010							1,313,208	507	167,602	1,173,222	(28,123)
Balance (in shares) at Jun. 30, 2010								63,411
Balance at Mar. 31, 2010
Components of comprehensive (loss) income:
Net (loss) income							66,183
Balance at Jun. 30, 2010							1,313,208
Balance at Sep. 30, 2010							1,379,953	508	186,248	1,198,467	(5,270)
Balance (in shares) at Sep. 30, 2010								63,444
Increase (Decrease) in Stockholders' Equity
Purchase accounting adjustments	(1,379,953)	(508)	(186,248)	(1,198,467)	5,270
Purchase accounting adjustments (in shares)		(63,444)
Components of comprehensive (loss) income:
Net (loss) income	(7,970)			(7,970)		(7,970)
Foreign currency translation adjustment and other, net of taxes	15,836				15,836	15,836
Change in fair value of interest rate and cross currency swaps, net of taxes	(14,732)				(14,732)	(14,732)
Comprehensive (loss) income:	(6,866)					(6,866)
Opening equity of Merger Sub	(7,447)			(7,447)
Opening equity of Merger Sub (in shares)		1
Capital contribution from Holdings	1,550,400		1,550,400
Stock-based compensation	798		798
Balance at Jun. 30, 2011	$ 1,536,885		$ 1,551,198	$ (15,417)	$ 1,104
Balance (in shares) at Jun. 30, 2011		1