Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross	$ 297,362	$ 293,585
Accumulated Amortization	112,445	110,919
Net	184,917	182,666
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2017	17,000
2018	22,300
2019	21,200
2020	20,400
2021	19,700
Patents
Finite-Lived Intangible Assets [Line Items]
Gross	18,644	18,645
Accumulated Amortization	18,624	18,623
Net	20	22
Software
Finite-Lived Intangible Assets [Line Items]
Gross	155,425	149,587
Accumulated Amortization	27,137	25,792
Net	128,288	123,795
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross	7,564	7,564
Accumulated Amortization	1,566	1,401
Net	5,998	6,163
Customer lists and other
Finite-Lived Intangible Assets [Line Items]
Gross	115,729	117,789
Accumulated Amortization	65,118	65,103
Net	$ 50,611	$ 52,686