SCHEDULE I - CONDENSED FINANCIAL INFORMATION (Details 4) - USD ($)	Dec. 31, 2016	Jul. 31, 2015
Credit Facility
Line of Credit Facility [Line Items]
2017	$ 15,250,000
2018	4,250,000
2019	4,250,000
2020	4,250,000
2021	390,625,000
Cap on dividends paid and shares and warrants that can be repurchased per fiscal year under restrictive covenants	12,000,000
Term Loan
Line of Credit Facility [Line Items]
Face amount		$ 425,000,000
2017	$ 15,250,000
Revolving loan
Line of Credit Facility [Line Items]
Maximum borrowing available		25,000,000
Letter-of-credit sub-facility
Line of Credit Facility [Line Items]
Maximum borrowing available		$ 10,000,000