Revolving Credit Facility (Details) (USD $)	3 Months Ended
	Sep. 30, 2013	Apr. 02, 2013
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		$ 1,000,000,000
Line of Credit Facility, Expiration Date	Apr. 02, 2018
Increase In Borrowing Capacity	200,000,000
Debt Instrument, Description of Variable Rate Basis	LIBOR
Line of Credit Facility, Amount Outstanding	$ 0
Line of Credit | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%