Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012
Income Taxes [Line Items]
Net tax benefit resulting from sale of the IB Business			$ 5,600,000
Valuation allowance, amount	17,672,000	1,239,000
Valuation allowance against deferred tax assets	1,700,000
Undistributed earnings of foreign subsidiaries	355,200,000
Income tax benefit related to a matter effectively settled with IRS		9,500,000
Federal and state income tax payments	2,508,000	23,434,000	25,311,000
Percentage of tax benefit realized		50.00%
Income tax benefit resulting from the remeasurement of an uncertain tax position		4,800,000
Unrecognized tax benefit state income taxes	10,800,000
Net tax benefits from state income taxes	2,800,000
Unrecognized tax benefits interest expense and penalties	3,500,000	1,200,000
Recognized interest expense, net of the related tax effect, and penalties aggregate	2,100,000	1,000,000	1,000,000
Reduction in liability of uncertain tax position	1,400,000
Capital loss carryovers [Member]
Income Taxes [Line Items]
Valuation allowance, amount	1,200,000	1,200,000
Research tax credit carryforwards [Member]
Income Taxes [Line Items]
Valuation allowance, amount	14,800,000
IRS [Member]
Income Taxes [Line Items]
With limited exceptions, year which prior years tax returns are no longer subject to tax examinations	2010
Income tax examination, years under examination	2010, 2011 and 2012
Settlement with Taxing Authority [Member]
Income Taxes [Line Items]
Federal and state income tax payments		32,800,000
State and foreign tax authority [Member]
Income Taxes [Line Items]
With limited exceptions, year which prior years tax returns are no longer subject to tax examinations	2008
Federal tax carryforwards [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	14,000,000
Federal tax carryforwards [Member] | Minimum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	Mar. 28, 2027
Federal tax carryforwards [Member] | Maximum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	Apr. 01, 2029
State tax carryforwards [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	71,200,000
State tax carryforwards [Member] | Minimum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	Apr. 02, 2017
State capital loss carryovers, expiration dates	Apr. 02, 2017
State tax carryforwards [Member] | Maximum [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	Mar. 28, 2032
State capital loss carryovers, expiration dates	Apr. 01, 2029
State tax carryforwards [Member] | Capital loss carryovers [Member]
Income Taxes [Line Items]
Tax credit carryforwards	54,400,000
State tax carryforwards [Member] | Research tax credit carryforwards [Member]
Income Taxes [Line Items]
Tax credit carryforwards	23,300,000
Discontinued Operations [Member]
Income Taxes [Line Items]
Income tax benefit from discontinued operations		$ 300,000	$ 9,400,000