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Recent Accounting Pronouncements - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Oct. 07, 2017	Oct. 07, 2017	Dec. 31, 2016
Accounting Changes And Error Corrections [Abstract]
Net impact of income tax benefit (expense) for exercised and vested awards	$ (0.5)	$ 1.1
Operating leases, expense			$ 97.4

X

- Definition

Excess tax benefit (expense) from share based compensation financing activities.

+ References

No definition available.

+ Details

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X

- References

No definition available.

+ Details

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X

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

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