Segment Information - Revenue by Product Category, Net of Intercompany Balances (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue from External Customer [Line Items]
Revenue	$ 2,405.4	$ 2,485.6	$ 2,654.6
Pumps and Complementary Products
Revenue from External Customer [Line Items]
Revenue	745.1	1,025.9	1,112.3
Pump Support and Maintenance Services
Revenue from External Customer [Line Items]
Revenue	84.7	87.8	96.0
Brake component products
Revenue from External Customer [Line Items]
Revenue	873.4	656.7	647.9
Shock Absorber Equipment
Revenue from External Customer [Line Items]
Revenue	109.6	110.2	121.3
Connectors Equipment
Revenue from External Customer [Line Items]
Revenue	309.1	327.9	392.3
CT Aerospace Products
Revenue from External Customer [Line Items]
Revenue	220.8	210.7	199.5
CT Industrial Products
Revenue from External Customer [Line Items]
Revenue	$ 62.7	$ 66.4	$ 85.3