Debt Narrative (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2013	Jun. 30, 2013
Debt Instrument [Line Items]
Current maturities of long-term debt	$ 3,413	$ 6,915
Revolving Credit Facility, Current Borrowing Capacity	150,000
Revolving Credit Facility, Maximum Borrowing Capacity	250,000
Revolving Credit Facility, Expiration Date	Jun. 04, 2015
Revolving Credit Facility, Amount Outstanding	0
Credit Facility Points Above Federal Funds Rate [Member]
Debt Instrument [Line Items]
Basis Spread on Variable Rate	0.50%
Credit Facility Points Above LIBOR [Member]
Debt Instrument [Line Items]
Basis Spread on Variable Rate	1.00%
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Current maturities of long-term debt	3,413
Unsecured Debt [Member]
Debt Instrument [Line Items]
Basis Spread on Variable Rate	(1.00%)
Unsecured Loan, Issuance Date	Apr. 29, 2012
Unsecured Loan, Unused Borrowing Capacity	5,000
Debt Instrument, Interest Rate at Period End	2.25%
Unsecured Loan, Maturity Date	Apr. 29, 2014
Unsecured Loan, Amount Outstanding	$ 0