Income Taxes - Summary of Activity Related to Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Apr. 03, 2015
Income Tax Disclosure [Abstract]
Balance, beginning of fiscal year	$ 45,080	$ 41,769	$ 37,395
(Decrease) increase related to prior year tax positions	(421)	(586)	524
Increases related to current year tax positions	4,407	3,897	3,897
Statute expirations			(47)
Balance, end of fiscal year	$ 49,066	$ 45,080	$ 41,769

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

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- Definition

Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

+ References

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- Definition

Amount of increase (decrease) in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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