Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Jun. 30, 2013
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 29,455	$ 30,418
Accumulated amortization	$ 100,919	$ 93,307
Par value (in dollars per share)	$ 0.025	$ 0.025
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	74,820,000	76,732,000
Common stock, shares outstanding	74,820,000	76,732,000