Commitments and Contingent Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Rent expense for operating leases	$ 78,674	$ 76,177	$ 69,393
Product Warranty Expense	50,073	59,403	80,331	$ 40,046
Standard Product Warranty Accrual, Decrease for Payments	66,687	71,068	33,759
Provision for warranties	59,176	57,164	66,457
Accrual for environmental loss contingencies	31,797	34,991
Leases, Operating [Abstract]
Operating Lease 2019	49,009
Operating Lease 2020	38,620
Operating Lease 2021	29,396
Operating Lease 2022	21,767
Operating Lease 2023	13,994
Operating Lease 2024 and thereafter	42,087
Operating Leases, Future Minimum Payments Due	194,873
Leases, Capital [Abstract]
Capital Lease 2019	1,802
Capital Lease 2020	1,748
Capital Lease 2021	1,687
Capital Lease 2022	1,392
Capital Lease 2023	4,754
Capital Lease 2024 and thereafter	0
Capital Leases, Future Minimum Payments Due	11,383
Damages from Product Defects [Member]
Product Warranty Expense	$ 497	$ 6,613	$ 23,150