Inventories (Details 1) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 29, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Notional Amount of Nonderivative Instruments	$ 276.3	$ 316.1

Nominal or face amount used to calculate payments on a nonderivative instrument.

No definition available.

Name:	us-gaap_NotionalAmountOfNonderivativeInstruments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration