Accounts Receivable Discount Programs

12 Months Ended

Mar. 31, 2012

Accounts Receivable Discount Programs [Abstract]

Accounts Receivable Discount Programs

11. Accounts Receivable Discount Programs

The Company has established receivable discount programs with certain customers and their respective banks. Under these programs, the Company may sell those customers' receivables to those banks at a discount to be agreed upon at the time the receivables are sold. These discount arrangements allow the Company to accelerate collection of customers' receivables.

	Years Ended March 31,
	2012			2011
Receivables discounted	$	280,278,000		$	134,867,000
Weighted average days		313			330
Annualized weighted average discount rate		2.9	%		3.9	%
Amount of discount as interest expense	$	7,072,000		$	4,768,000