INCOME TAXES (Tables)

12 Months Ended

Mar. 31, 2013

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

Income tax expense for fiscal years 2013, 2012, and 2011 consisted of the following:

(in thousands)	Fiscal Year Ended March 31,
	2013			2012			2011
Current:
Federal	$	25,530		$	23,844		$	22,601
State	2,452			2,719			1,077
Foreign	4,777			5,080			5,888
Total current provision for income taxes	32,759			31,643			29,566
Deferred:
Federal	(586		)	2,324			475
State	(474		)	(569		)	1,262
Foreign	324			168			110
Total deferred benefit for income taxes	(736		)	1,923			1,847
Income tax expense	$	32,023		$	33,566		$	31,413

Schedule of Income before Income Tax, Domestic and Foreign

The components of income before income taxes for fiscal years 2013, 2012, and 2011 are as follows:

	Fiscal Year Ended March 31,
(in thousands)	2013		2012		2011
United States	$	80,875	$	79,589	$	75,426
Foreign	57,550		63,013		65,230
Income before income taxes	$	138,425	$	142,602	$	140,656

Schedule of Effective Income Tax Rate Reconciliation

The following is a reconciliation between statutory federal income taxes and the income tax expense for fiscal years 2013, 2012, and 2011:

(in thousands)	Fiscal Year Ended March 31,
	2013			2012			2011
Tax expense at statutory rate	$	48,449		$	49,911		$	49,229
Foreign operations taxed at different rates	(15,244		)	(16,973		)	(16,308		)
State taxes, net of federal benefit	1,978			2,149			2,340
Research and development credit	(3,380		)	(1,392		)	(3,234		)
Other, net	220			(129		)	(614		)
Income tax expense	$	32,023		$	33,566		$	31,413

Schedule of Deferred Tax Assets and Liabilities

Significant components of the Company's deferred tax assets and liabilities as of March 31, 2013 and 2012 are as follows:

	March 31,
(in thousands)	2013			2012
Accruals and other reserves	$	7,983		$	9,822
Net operating loss carry forward	5,956			6,317
Stock compensation	8,199			1,388
Other deferred tax assets	3,643			3,561
Valuation allowance	(5,984		)	(6,088		)
Total deferred tax assets	19,797			15,000
Deferred gains on sales of properties	(1,756		)	(1,881		)
Purchased intangibles	(11		)	(143		)
Unremitted earnings of certain subsidiaries	(3,064		)	(3,064		)
Fixed asset depreciation	(4,402		)	(5,309		)
Other deferred tax liabilities	(2,186		)	(2,186		)
Total deferred tax liabilities	(11,419		)	(12,583		)
Net deferred tax assets	$	8,378		$	2,417

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the change in the amount of gross unrecognized income tax benefits for the periods is as follows:

	March 31,
(in thousands)	2013			2012			2011
Balance at beginning of period	$	11,141		$	10,458		$	11,201
Increase (decrease) of unrecognized tax benefits related to prior years	(117		)	116			(960		)
Increase of unrecognized tax benefits related to the current year	2,430			2,074			2,185
Reductions to unrecognized tax benefits related to lapse of applicable statute of limitations	(2,382		)	(1,507		)	(1,968		)
Balance at end of period	$	11,072		$	11,141		$	10,458