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Commitments - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2018	Mar. 25, 2017	Mar. 26, 2016
Commitments and Contingencies Disclosure [Abstract]
Rent expense	$ 11.0	$ 10.7	$ 10.0

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- References

No definition available.

+ Details

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

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