Condensed Consolidated Statement of Shareholders’ Equity and Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	Predecessor [Member] Common Stock [Member] USD ($)	Predecessor [Member] Accumulated Other Comprehensive Income (Loss) [Member] USD ($)		Predecessor [Member] Additional Paid-in Capital [Member] USD ($)	Predecessor [Member] Retained Earnings [Member] USD ($)	Predecessor [Member] USD ($)	Successor [Member] Common Stock [Member]	Successor [Member] Accumulated Other Comprehensive Income (Loss) [Member] USD ($)		Successor [Member] Additional Paid-in Capital [Member] USD ($)	Successor [Member] Retained Earnings [Member] USD ($)	Successor [Member] USD ($)	Total USD ($)
Balance at beginning of period at May. 31, 2011	$ 7,037	$ 16,954	[1]	$ 45,729	$ 499,152	$ 568,872							$ 568,872
Balance at beginning of period (in Shares) at May. 31, 2011	70,367
Shares issued under employee stock plan	41		[1]	485		526
Shares issued under employee stock plan (in Shares)	415
Share-based compensation expense			[1]	16,233		16,233							16,233
Stock repurchases and retirements	(10)		[1]	(448)		(458)
Stock repurchases and retirements (in Shares)	(103)
Comprehensive loss:
Foreign currency translation adjustments		(2,153)	[1]			(2,153)							(2,153)
Net loss			[1]		(6,374)	(6,374)
Total comprehensive loss						(8,527)							(8,527)
Balance at end of period at Aug. 19, 2011	7,068	14,801	[1]	61,999	492,778	576,646
Balance at end of period (in Shares) at Aug. 19, 2011	70,679
Capital contribution from parent, net of costs									[1]	706,233		706,233
Capital contribution from parent, net of costs (in Shares)							100
Share-based compensation expense									[1]	314		314	314
Comprehensive loss:
Foreign currency translation adjustments								(21,877)	[1]			(21,877)	(21,877)
Cash flow hedges, net of tax								(1,177)	[1]			(1,177)	(1,177)
Net loss									[1]		(41,752)	(41,752)
Total comprehensive loss												(64,806)	(64,806)
Balance at end of period at Feb. 29, 2012								$ (23,054)	[1]	$ 706,547	$ (41,752)	$ 641,741	$ 641,741
Balance at end of period (in Shares) at Feb. 29, 2012							100

[1] Accumulated Other Comprehensive Income balance primarily consists of foreign currency translation adjustments and has no tax effect.