Fair Value Measurements - Schedule of Business Acquisitions, Reconciliation of Fair Value of Contingent Consideration (Detail) - USD ($) $ in Millions	3 Months Ended
Apr. 02, 2016	Apr. 04, 2015
Fair Value Disclosures [Abstract]
Fair value at beginning of period	$ 16.4	$ 16.5
Foreign exchange gain	(0.5)	(0.7)
Fair value at end of period	$ 15.9	$ 15.8

Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1a)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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