Schedule II - Valuation and Qualifying Accounts (Details) (USD $)	12 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Mar. 31, 2012
Movement in Valuation Allowances and Reserves [Roll Forward]
Expected merchandise returns	$ 3,600,000		$ 3,400,000		$ 3,200,000
Allowance for Sales Returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	543,000	[1]	427,000	[1]	347,000	[1]
Charged to Costs and Expenses	1,079,000	[1]	1,404,000	[1]	1,054,000	[1]
Deductions/Write-Offs	(1,030,000)	[1]	(1,288,000)	[1]	(974,000)	[1]
Balance at End of Period	592,000	[1]	543,000	[1]	427,000	[1]
Reserve for Credit Losses [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	5,129,000		5,606,000		2,771,000
Charged to Costs and Expenses	750,000		(333,000)		3,212,000
Deductions/Write-Offs	(127,000)		(144,000)		(377,000)
Balance at End of Period	5,752,000		5,129,000		5,606,000
Valuation for Deferred Taxes [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	1,505,000		1,217,000		1,296,000
Charged to Costs and Expenses	(218,000)		288,000		(79,000)
Deductions/Write-Offs	0		0		0
Balance at End of Period	$ 1,287,000		$ 1,505,000		$ 1,217,000

[1] These amounts represent the gross margin effect of sales returns during the respective years. Expected merchandise returns after year-end for sales made before year-end were $3.6 million, $3.4 million, and $3.2 million as of March 31, 2014, 2013, and 2011, respectively.