Derivative Instruments (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Interest Rate Swap [Member]	Dec. 31, 2013 Interest Rate Swap [Member] Estimate of Fair Value Measurement [Member] Other Liabilities [Member]	Jun. 30, 2013 Interest Rate Swap [Member] Estimate of Fair Value Measurement [Member] Other Liabilities [Member]	Dec. 31, 2012 Interest Rate Swap [Member] Estimate of Fair Value Measurement [Member] Other Liabilities [Member]	Dec. 31, 2013 Swap, Interest Rate Swaps, Maturity Fiscal 2015 [Member] Interest Rate Swap [Member] Derivatives
Derivative [Line Items]
Number of Interest Rate Derivatives Held									2
Derivative, Notional Amount									$ 312,500,000
Effective Percentage									6.26%
Net change in unrecognized loss on interest rate swaps, net of tax	(459,000)	(249,000)	(1,300,000)	(2,432,000)	10,100,000
Fair value of interest rate swap liabilities						16,054,000	20,232,000	27,252,000
Estimated Net Transfer, Current			$ 7,900,000