Debt Narrative (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		3 Months Ended	12 Months Ended		3 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2013 Credit Facility Points Above Federal Funds Rate [Member]	Jun. 30, 2013 Credit Facility Points Above LIBOR [Member]	Sep. 30, 2013 Capital Lease Obligations [Member]	Sep. 30, 2013 Unsecured Debt [Member]
Debt Instrument [Line Items]
Current maturities of long-term debt	$ 9,950	$ 6,915			$ 9,950
Revolving Credit Facility, Current Borrowing Capacity	150,000
Revolving Credit Facility, Maximum Borrowing Capacity	250,000
Basis Spread on Variable Rate			0.50%	1.00%		(1.00%)
Revolving Credit Facility, Expiration Date	Jun. 04, 2015
Revolving Credit Facility, Amount Outstanding	0
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