Summarized Information Of Consolidated Revenues and Long Lived Tangible Assets Net Of Accumulated Depreciation (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenues	$ 304.5	$ 314.9	$ 320.9	$ 309.4	$ 300.5	$ 338.6	$ 368.7	$ 137.8	$ 1,249.7	$ 1,145.6	$ 2.1
Property, plant and equipment, net	289.2				301.5				289.2	301.5
US Sub-facility
Segment Reporting Information [Line Items]
Revenues									640.4	545.2
Property, plant and equipment, net	164.5				167.9				164.5	167.9
Europe
Segment Reporting Information [Line Items]
Revenues									427.6	434.2
Property, plant and equipment, net	94.2				102.2				94.2	102.2
Canada and Mexico
Segment Reporting Information [Line Items]
Revenues									181.7	166.2
Property, plant and equipment, net	30.5				31.4				30.5	31.4
International
Segment Reporting Information [Line Items]
Revenues									609.3	600.4
Property, plant and equipment, net	$ 124.7				$ 133.6				$ 124.7	$ 133.6