Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 7,813	$ 10,559	$ 13,436
Charged to cost and expenses	9,791	7,839	17,360
Charged to other accounts	0	0	0
Deductions	(9,109)	(10,585)	(20,237)
Balance at end of period	8,495	7,813	10,559
Reserve for doubtful accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	5,464	6,653	9,126
Charged to cost and expenses	5,044	3,177	3,099
Charged to other accounts	0	0	0
Deductions	(3,985)	(4,366)	(5,572)
Balance at end of period	6,523	5,464	6,653
Reserve for returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	2,349	3,906	4,310
Charged to cost and expenses	4,747	4,662	14,261
Charged to other accounts	0	0	0
Deductions	(5,124)	(6,219)	(14,665)
Balance at end of period	$ 1,972	$ 2,349	$ 3,906