Note 10 - Long-term Debt (Tables)

3 Months Ended

Aug. 31, 2015

Disclosure Text Block [Abstract]

Schedule of Debt [Table Text Block]

	As of
	August 31, 2015			May 31, 2015
Term Loan Facility, net of $6,848 and $7,381 debt discounts, respectively	$	639,904			641,029
Notes, net of $3,136 and $3,291 debt discounts, respectively		396,864			396,709
Revolving Facility		16,000			-
Capital lease agreements		3			7
		1,052,771			1,037,745
Less current portion, net of debt discounts		(20,437	)		(4,469	)
Long-term debt, net of current portion	$	1,032,334			1,033,276

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

Year Ended May 31:
2016	$	20,977
2017		6,632
2018		6,632
2019		628,514
2020		400,000
	$	1,062,755

Interest Income and Interest Expense Disclosure [Table Text Block]

	Three Months Ended
	August 31
	2015		2014
Notes, including OID amortization	$	11,279		11,262
Term loan facility, including OID amortization		8,804		8,861
Amortization of deferred financing costs		1,754		1,649
Interest rate swaps and other interest		210		261
Revolving facility fees and interest		160		142
Interest accreted on contingent consideration liability		285		123
Interest expense	$	22,492		22,298