Balance Sheet Details

12 Months Ended

Mar. 31, 2013

Balance Sheet Related Disclosures [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

5. Balance Sheet Details

Allowances Movement (in thousands)
		Balance at Beginning of Year		Additions		Deductions		Translation Adjustments		Balance at End of Year
Allowances for accounts receivable and for doubtful accounts
	Year ended March 31, 2013	$	2,473	$	10,064	$	(9,851)	$	(30)	$	2,656
	Year ended March 31, 2012	$	3,478	$	8,524	$	(9,492)	$	(37)	$	2,473
	Year ended March 31, 2011	$	3,466	$	8,534	$	(8,562)	$	40	$	3,478

Inventories
	Inventories consist of the following (in thousands):
		March 31,
		2013		2012
Raw materials		$	17,349	$	23,200
Work in process			41,036		41,570
Finished goods			25,444		21,470
	Total	$	83,829	$	86,240

	Property, Plant and Equipment
		Property, plant and equipment consist of the following (in thousands):
			March 31,
			2013		2012
Property and plant (useful life of 24 years to 50 years)			$	33,996	$	34,190
Equipment owned (useful life of 1 to 14 years)				97,104		93,510
Equipment capital leases (useful life of 4 years)				40,010		41,599
Leasehold improvements (useful life of up to 8 years)				917		936
				172,027		170,235
Accumulated depreciation and amortization				(120,032)		(114,164)
			$	51,995	$	56,071
Depreciation expense for fiscal years ended March 31, 2013, 2012 and 2011 amounted to $10.2 million, $10.9 million and $11.0 million, respectively.

Accrued Expenses and Other Liabilities
	Accrued expenses and other liabilities consist of the following (in thousands):
		March 31,
		2013		2012
Uninvoiced goods and services		$	8,204	$	11,869
Compensation and benefits			5,950		7,214
Commission, royalties and other			2,838		2,940
	Total	$	16,992	$	22,023