Taxes Tax Effects of Temporary Differences - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Inventory	$ 18,849	$ 15,756
Accrued and other liabilities	94,113	85,590
Accrued post-retirement benefit and pension costs	56,618	53,078
Net operating loss and tax credit carryforwards	27,717	30,647
Swiss tax reform intangible asset	53,080	48,062
Other	12,408	11,918
Deferred Tax Assets, Gross	262,785	245,051
Valuation Allowance	(52,388)	(50,853)
Non-current deferred tax assets, net	210,397	194,198
Inventory	6,029	5,952
Deferred Tax Liabilities, Right of Use Asset and Other Assets	29,553	27,268
Property, Plant and Equipment	60,047	51,298
Rainin Intangible Amortization	62,584	63,451
Deferred Tax Liabilities, Tax Deferred Expense, Compensation and Benefits, Pension	28,270	28,542
International earnings	16,526	24,137
Deferred Tax Liabilities, Unrealized Currency Transaction Gains	0	1,839
Deferred Tax Liabilities, Gross, Noncurrent	203,009	202,487
Deferred Tax Liabilities	$ 7,388	$ 8,289