Long-Term Debt (Narrative) (Details) - USD ($)		3 Months Ended
	Jan. 30, 2014	Sep. 30, 2015	Jun. 30, 2015	Jan. 21, 2011
Debt Instrument [Line Items]
Debt financing costs, net		$ 7,037,000	$ 7,396,000
7 3/8% Senior Notes [Member]
Debt Instrument [Line Items]
Aggregate principle amount		$ 350,000,000		$ 250,000,000
Debt instrument, stated interest rate	7.375%	7.375%	7.375%
Indebtedness or guarantees over which domestic subsidiary guarantees the company's debt		$ 10,000,000
Debt financing costs, net		$ 6,000,000
Additional aggregate principal amount issued	$ 100,000,000
Percentage of principal amount Senior Notes were sold at		106.75%
Debt financing costs, incurred and capitalized		$ 2,200,000