Recent Accounting Pronouncements - Additional Information (Detail) - ASU 2017-07 [Member] - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2018	Apr. 01, 2017
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Description of prior-period information retrospectively adjusted	The Company retrospectively adopted this guidance at the beginning of fiscal year 2018. For the 13-weeks ended April 1, 2017, $0.7 million of net periodic benefit credits, other than the service cost components, were reclassified to other income—net, in the Consolidated Statement of Comprehensive Income.
Net periodic benefit credits, other than service cost components, reclassified to other income—net		$ 0.7

Description of the prior-period information that has been retrospectively adjusted when a new accounting pronouncement or a change in accounting principle is adopted.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22499-107794

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Period Type:	duration