Operating Segments and Related Information Operating Segments and related information (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting, Revenue Reconciling Item [Line Items]
Unallocated corporate expense	$ (25,492)	$ (16,514)	$ (68,733)	$ (49,186)
Amortization of purchased Intangible Assets	(7,102)	(4,329)	(20,854)	(12,464)
Amortization of acquisition-related inventory step-up	0	0	(1,992)	0
Restructuring Charges	$ (542)	$ (910)	$ (642)	$ (1,217)
Product Liability Contingency, Accrual, Assumptions	-1088	-2000	-3088	-2000
Consolidated earnings from operations	$ 87,086	$ 80,849	$ 212,802	$ 203,438
Other Nonoperating Expense	(2,553)	(5,641)	(9,165)	(12,757)
Consolidated earnings before income taxes	84,533	75,208	203,637	190,681
Total Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Consolidated segment operating income	121,310	104,602	308,111	268,305
Consolidated earnings from operations	$ 121,310	$ 104,602	$ 308,111	$ 268,305