Stock Repurchase Plan - Additional Information (Details) (2014 Repurchase Plan, USD $)	Mar. 31, 2015	Jun. 30, 2014
2014 Repurchase Plan
Equity Class Of Treasury Stock [Line Items]
Authorized amount to repurchase outstanding common stock		$ 150,000,000
Remaining amount of authorized under 2014 Repurchase Plan	$ 100,000,000

Amount remaining of a stock repurchase plan authorized.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant