Segment Information - Segment EBITDA (Details) - Operating Segments - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
Segment Reporting, Other Significant Reconciling Item [Line Items]
EBITDA	$ (9,647)	$ 17,051	$ 25,873	$ 84,260
Hockey
Segment Reporting, Other Significant Reconciling Item [Line Items]
EBITDA	(15,900)	(3,935)	10,628	47,959
Baseball/Softball
Segment Reporting, Other Significant Reconciling Item [Line Items]
EBITDA	3,582	18,889	12,660	34,087
Other Sports
Segment Reporting, Other Significant Reconciling Item [Line Items]
EBITDA	$ 2,671	$ 2,097	$ 2,585	$ 2,214