Schedule II - Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 10,823	$ 10,980	$ 13,810
Charged to cost and expenses	18,604	16,480	16,373
Charged to other accounts	0	0	0
Deductions	(15,991)	(16,637)	(19,203)
Balance at end of period	13,436	10,823	10,980
Reserve for doubtful accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	6,379	6,763	10,999
Charged to cost and expenses	4,841	4,506	4,315
Charged to other accounts	0	0	0
Deductions	(2,094)	(4,890)	(8,551)
Balance at end of period	9,126	6,379	6,763
Reserve for returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	4,444	4,217	2,811
Charged to cost and expenses	13,763	11,974	12,058
Charged to other accounts	0	0	0
Deductions	(13,897)	(11,747)	(10,652)
Balance at end of period	$ 4,310	$ 4,444	$ 4,217