Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2015	Jun. 30, 2015	Sep. 30, 2015
Sales Returns and Other Allowances
Number of past years history in business on which reasonable and reliable estimates of product returns is based							40 years
Revision to Financial Statements.
Accelerated depreciation charges	$ 7,207	$ 9,846	$ 3,282
Adjustment
Revision to Financial Statements.
Accelerated depreciation charges		$ 4,904				$ 6,539
Benefit from adjustment to correct inventory, which is included in income (loss) from operations				$ 3,707
Benefit from adjustment to correct prepaid rent, which is included in income (loss) from operations					$ 3,252