Distribution Agreements, Net - Reconciliation of Activity for Other Identifiable Intangible Assets Net (Parenthetical) (Detail) - Distribution Agreements [Member] $ in Thousands	Oct. 01, 2017 USD ($)
Finite Lived Intangible Assets [Line Items]
Assets held for sale, distribution agreements net	$ 63,321	[1]
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Finite Lived Intangible Assets [Line Items]
Assets held for sale, distribution agreements net	$ 63,300

[1] Distribution agreements, net of $63.3 million related to the October 2017 Divestitures was classified as held for sale as of October 1, 2017.