Interest Income and Other, Net - Components of Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended
Jul. 01, 2018	Jul. 02, 2017
Other Income and Expenses [Abstract]
Interest income	$ 1,176	$ 757
Other income, net	495	2,225
Interest income and other, net	$ 1,671	$ 2,982

Amount of income (expense) related to nonoperating activities, classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Name:	us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration