Acquisitions - Summary of Provisional Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions	Oct. 31, 2016	Jul. 01, 2017	Dec. 31, 2016
Assets acquired:
Goodwill		$ 899.2	$ 895.5
Car-O-Liner Holding AB [Member]
Assets acquired:
Goodwill		$ 66.1
Liabilities assumed:
Net assets acquired	$ 152.0
Car-O-Liner Holding AB [Member] | Provisional [Member]
Assets acquired:
Cash	3.9
Trade and other accounts receivable	17.0
Inventories	18.3
Property and equipment	17.3
Goodwill	66.1
Other intangibles:
Customer relationships	27.2
Non-amortized trademarks	27.7
Other assets	6.0
Total assets acquired	183.5
Liabilities assumed:
Accounts payable	9.8
Deferred income tax liabilities	6.8
Accrued expenses	10.6
Pension liabilities	4.3
Total liabilities assumed	31.5
Net assets acquired	$ 152.0