Segment Information - Additional Information (Detail) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) segment	Jun. 30, 2015 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of segments | segment			2
US
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 185.0	$ 174.0	$ 365.0	$ 338.0
Foreign Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 608.0	$ 594.0	$ 1,212.0	$ 1,204.0
Sales [Member] | Foreign Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Maximum percentage of total consolidated net sales attributed to any non-U.S. country			10.00%