Fair Value Measurements - Additional Information (Detail) - Fair Value Measurements Nonrecurring [Member] - Significant unobservable inputs (Level 3) [Member] - USD ($) $ in Millions	Dec. 31, 2016	Jan. 02, 2016
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Long-lived assets	$ 20.1	$ 11.9
Long-lived assets measured fair value on nonrecurring basis	$ 4.5	$ 7.7

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599

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