Derivative Instruments and Hedging Activities - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Derivative [Line Items]
Restricted cash in other current assets as collateral related to open derivative contracts	$ 5.3	$ 1.4
Commodity Contract [Member]
Derivative [Line Items]
Deferred net gains (losses), net of tax, included in AOCI	0.7
Cash Flow Hedging [Member] | Commodity Contract [Member] | Long [Member]
Derivative [Line Items]
Open future contracts to purchase copper	$ 19.6
Time period for open copper future contract	12 months
Fair value of future contracts with gain (loss) position	$ 1.0
Fair Value Hedging [Member] | Commodity Contract [Member] | Short [Member]
Derivative [Line Items]
Fair value of future contracts with gain (loss) position	(3.2)
Open future contracts to sell copper	$ 85.3
Time period for open copper future contract sales	5 months