Guarantees - Additional Information (Detail) $ in Millions	Apr. 01, 2017 USD ($)
Guarantor Obligations [Line Items]
Letters of credit and bank guarantees outstanding, amount	$ 1.5
Letters of credit and bank guarantees collateralized by restricted cash	$ 1.5

Amount of assets pledged to secure a debt instrument.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Name:	us-gaap_DebtInstrumentCollateralAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant