Operating Segments and Related Information Operating Segments and related information (Details 3) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting, Revenue Reconciling Item [Line Items]
Unallocated corporate expense	$ (25,017)	$ (16,049)	$ (43,240)	$ (32,674)
Amortization of purchased Intangible Assets	(7,016)	(3,927)	(13,751)	(8,134)
Amortization of acquisition-related inventory step-up	0	0	(1,992)	0
Restructuring Charges	$ (13)	$ (110)	$ (101)	$ (308)
Product Liability Contingency, Accrual, Assumptions	-2000	0	-2000	0
Consolidated earnings from operations	$ 66,630	$ 65,212	$ 125,716	$ 122,589
Other Nonoperating Expense	(3,090)	(5,359)	(6,612)	(7,116)
Consolidated earnings before income taxes	63,540	59,853	119,104	115,473
Total Segments [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Consolidated segment operating income	100,676	85,298	186,800	163,705
Consolidated earnings from operations	$ 100,676	$ 85,298	$ 186,800	$ 163,705