Condensed Consolidated Statement of Shareholders’ Equity and Comprehensive Income (Loss) (USD $) In Thousands, except Share data	Predecessor [Member] Common Stock [Member] USD ($)	Predecessor [Member] Additional Paid-in Capital [Member] USD ($)	Predecessor [Member] Retained Earnings [Member] USD ($)	Predecessor [Member] Accumulated Other Comprehensive Income (Loss) [Member] USD ($)	Predecessor [Member] USD ($)	Successor [Member] Common Stock [Member]	Successor [Member] Additional Paid-in Capital [Member] USD ($)	Successor [Member] Retained Earnings [Member] USD ($)	Successor [Member] Accumulated Other Comprehensive Income (Loss) [Member] USD ($)	Successor [Member] USD ($)	Total USD ($)
Balance at beginning of period at May. 31, 2011	$ 7,037	$ 45,729	$ 499,152	$ 16,954	$ 568,872						$ 568,872
Balance at beginning of period (in Shares) at May. 31, 2011	70,367,000
Shares issued under employee stock plan	41	485			526
Shares issued under employee stock plan (in Shares)	415,000
Share-based compensation expense		16,233			16,233						16,233
Stock repurchases and retirements	(10)	(448)			(458)
Stock repurchases and retirements (in Shares)	(103,000)
Total comprehensive loss					(8,527)						(8,527)
Foreign currency translation adjustments				(2,153)	(2,153)						(2,153)
Net loss			(6,374)		(6,374)
Balance at end of period at Aug. 19, 2011	7,068	61,999	492,778	14,801	576,646
Balance at end of period (in Shares) at Aug. 19, 2011	70,679,000
Capital contribution from parent, net of costs							706,233			706,233
Capital contribution from parent, net of costs (in Shares)						100
Total comprehensive loss										(54,513)	(54,513)
Foreign currency translation adjustments									(21,417)	(21,417)	(21,417)
Cash flow hedges, net of tax									(475)	(475)	(475)
Net loss								(32,621)		(32,621)
Balance at end of period at Nov. 30, 2011							$ 706,233	$ (32,621)	$ (21,892)	$ 651,720	$ 651,720
Balance at end of period (in Shares) at Nov. 30, 2011						100,000