Fair Value of Financial Instruments (Short-term Investments and Financial Instruments at Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Assets: Deferred compensation plan investments, current and non-current portion	$ 14,044	$ 13,752
Assets: Forward foreign currency exchange contracts	65	308
Total asset at fair value	14,109	14,060
Liabilities: Deferred compensation plan investments, current and non-current portion	14,044	13,752
Liabilities: Forward foreign currency exchange contracts	119	34
Liability for contingent consideration, current and non-current	11,107	12,545
Total liabilities at fair value	25,270	26,331
Quoted Prices in Active Markets (Level 1) [Member]
Assets: Deferred compensation plan investments, current and non-current portion	14,044	13,752
Assets: Forward foreign currency exchange contracts	0	0
Total asset at fair value	14,044	13,752
Liabilities: Deferred compensation plan investments, current and non-current portion	14,044	13,752
Liabilities: Forward foreign currency exchange contracts	0
Liability for contingent consideration, current and non-current	0	0
Total liabilities at fair value	14,044	13,752
Significant Other Observable Inputs (Level 2) [Member]
Assets: Deferred compensation plan investments, current and non-current portion	0	0
Assets: Forward foreign currency exchange contracts	65	308
Total asset at fair value	65	308
Liabilities: Deferred compensation plan investments, current and non-current portion	0	0
Liabilities: Forward foreign currency exchange contracts	119	34
Liability for contingent consideration, current and non-current	0	0
Total liabilities at fair value	119	34
Significant Unobservable Inputs (Level 3) [Member]
Assets: Deferred compensation plan investments, current and non-current portion		0
Assets: Forward foreign currency exchange contracts	0	0
Total asset at fair value	0	0
Liabilities: Deferred compensation plan investments, current and non-current portion	0	0
Liabilities: Forward foreign currency exchange contracts	0	0
Liability for contingent consideration, current and non-current	11,107	12,545	16,653
Total liabilities at fair value	11,107	12,545
Forward Foreign Currency Exchange Contracts [Member] | Quoted Prices in Active Markets (Level 1) [Member]
Liabilities: Forward foreign currency exchange contracts		$ 0