Note 10 - Long-Term Debt (Tables)

6 Months Ended

Nov. 30, 2015

Notes Tables

Schedule of Debt [Table Text Block]

	As of
	November 30, 2015			May 31, 2015
Term Loan Facility, net of $6,306 and $7,381 debt discounts, respectively	$	638,788			641,029
Notes, net of $2,979 and $3,291 debt discounts, respectively		397,021			396,709
Capital lease agreements		1			7
		1,035,810			1,037,745
Less current portion, net of debt discounts		(4,404	)		(4,469	)
Long-term debt, net of current portion	$	1,031,406			1,033,276

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

Year Ended May 31:
2016	$	3,318
2017		6,632
2018		6,632
2019		628,513
2020		400,000
	$	1,045,095

Interest Income and Interest Expense Disclosure [Table Text Block]

	Three Months Ended				Six Months Ended
	November 30				November 30
	2015		2014		2015		2014
Notes, including OID amortization	$	11,283		11,265		22,562		22,527
Term loan facility, including OID amortization		8,702		8,758		17,506		17,619
Amortization of deferred financing costs		1,781		1,675		3,533		3,324
Interest rate swaps and other interest		153		229		369		492
Revolving facility fees and interest		249		216		409		358
Interest accreted on contingent consideration liability		286		679		567		800
Interest expense	$	22,454		22,822		44,946		45,120