Note 9 - Long-Term Debt (Tables)

6 Months Ended

Nov. 30, 2013

Disclosure Text Block [Abstract]

Schedule of Debt [Table Text Block]

	As of
	November 30, 2013			May 31, 2013
Term Loan Facility, net of $10,415 and $11,384 debt discounts, respectively	$	647,614			650,293
Notes, net of $4,123 and $4,370 debt discounts, respectively		395,877			395,630
Capital lease agreements		37			67
		1,043,528			1,045,990
Less current portion, net of discounts		(4,653	)		(6,712	)
Long-term debt, net of current portion	$	1,038,875			1,039,278

Schedule of Maturities of Long-term Debt [Table Text Block]

2014	$	2,993
2015		6,653
2016		6,639
2017		6,632
2018		6,632
Thereafter		1,028,517
	$	1,058,066

Schedule of Interest Expense [Table Text Block]

	Three Months Ended				Six Months Ended
	November 30				November 30
	2013		2012		2013		2012
Notes, including OID amortization	$	11,250		11,236		22,497		22,469
Term Loan Facility, including OID amortization		8,806		9,325		17,726		20,900
Amortization of deferred financing costs		1,580		1,166		3,136		2,389
Interest rate swaps		262		257		520		525
Revolving Facility fees and interest		126		265		254		452
Interest accreted on contingent liability		67		-		134		-
Other interest		2		2		4		4
Interest expense	$	22,093		22,251		44,271		46,739