Commitments and Contingencies (Schedule of Operating Lease Commitments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017	$ 25,347
2018	20,444
2019	13,693
2020	9,192
2021	6,401
Thereafter	12,739
Total	87,816
Lease expense	$ 27,300	$ 26,400	$ 25,000
Office Space, Warehouses, Land and Buildings | Minimum
Operating Leased Assets [Line Items]
Operating lease, term	3 years
Office Space, Warehouses, Land and Buildings | Maximum
Operating Leased Assets [Line Items]
Operating lease, term	5 years
Machinery and Equipment | Minimum
Operating Leased Assets [Line Items]
Operating lease, term	1 year
Machinery and Equipment | Maximum
Operating Leased Assets [Line Items]
Operating lease, term	5 years