Accounts Receivable - Net (Tables)

12 Months Ended

Mar. 31, 2015

Accounts Receivable - Net [Abstract]

Schedule of accounts receivable

Accounts receivable — net is comprised of the following at March 31:

	2015			2014
Accounts receivable — trade	$	62,171,000		$	58,766,000
Allowance for bad debts		(629,000	)		(854,000	)
Customer allowances earned		(7,221,000	)		(9,088,000	)
Customer payment discrepancies		(852,000	)		(577,000	)
Customer returns RGA issued		(7,029,000	)		(5,809,000	)
Customer core returns accruals		(21,641,000	)		(20,155,000	)
Less: total accounts receivable offset accounts		(37,372,000	)		(36,483,000	)
Total accounts receivable — net	$	24,799,000		$	22,283,000

Schedule of warranty return accrual

Change in the Company’s warranty return accrual is as follows at March 31:

	2015			2014			2013
Balance at beginning of period	$	8,039,000		$	6,205,000		$	4,426,000
Charged to expense		65,469,000			56,284,000			48,948,000
Amounts processed		(62,604,000	)		(54,450,000	)		(47,169,000	)
Balance at end of period	$	10,904,000		$	8,039,000		$	6,205,000