Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
United States	$ 710,614	$ 665,219	$ 517,432
Other	291,731	256,237	236,698
Earnings Before Income Taxes	1,002,345	921,456	754,130
Current:
Federal	229,224	218,302	166,430
State	22,041	37,155	12,577
Foreign	71,507	56,107	40,451
Deferred:
Federal	(10,134)	(30,664)	(1,965)
Foreign	(6,360)	(5,477)	(1,656)
Total Income Taxes	$ 306,278	$ 275,423	$ 215,837
Federal Statutory Tax Rate Reconciliation
Federal statutory rate (in hundredths)	35.00%	35.00%	35.00%
Foreign rate differential (in hundredths)	(3.30%)	(3.90%)	(4.10%)
R&D tax credits (in hundredths)	(0.50%)	(0.40%)	(0.50%)
State taxes, net of federal benefit (in hundredths)	2.00%	2.00%	1.90%
Foreign tax credits (in hundredths)	0.00%	0.00%	0.00%
Section 199 deduction (in hundredths)	(1.30%)	(1.60%)	(1.80%)
Other, net (in hundredths)	(1.30%)	(1.20%)	(1.90%)
Effective Rate (in hundredths)	30.60%	29.90%	28.60%
Deferred tax assets:
Reserves and accrued expenses	$ 146,014	$ 130,508
Inventories	9,309	10,186
Net operating loss carryforwards	45,616	41,480
R&D credits	8,504	7,145
Foreign tax credits	7,940	0
Valuation allowance	(19,338)	(16,169)
Total deferred tax assets	198,045	173,150
Deferred tax liabilities:
Reserves and accrued expenses	11,222	27,981
Amortizable intangible assets	962,143	798,502
Plant and equipment	4,004	4,741
Total deferred tax liabilities	977,369	831,224
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Beginning balance	28,567	26,924	$ 24,865
Additions for tax positions of prior periods	3,525	6,532	3,055
Additions for tax positions of the current period	3,299	5,571	1,639
Additions due to acquisitions	6,177	0	5,026
Reductions for tax positions of prior periods	(12,206)	(1,008)	(3,675)
Settlements with taxing authorities	(142)	(518)	0
Lapse of applicable statute of limitations	(3,080)	(8,934)	(3,986)
Ending balance	26,140	28,567	$ 26,924
Unrecognized income tax benefits that, if recognized, would affect the effective income tax rate in any future periods	24,200
Interest and penalties related to unrecognized tax benefits	(1,800)
Accrued interest and penalties	3,400	$ 5,200
Reduction in unrecognized tax benefits expected within twelve months of the balance sheet date	3,200
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	17,500
Operating Loss Carryforwards, Valuation Allowance	$ 11,000
Internal Revenue Service (IRS) [Member] | Earliest [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryover expiration date	Dec. 31, 2023
Internal Revenue Service (IRS) [Member] | Latest [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryover expiration date	Dec. 31, 2035
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 13,100
Operating Loss Carryforwards, Valuation Allowance	$ 8,300
Foreign Tax Authority [Member] | Earliest [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryover expiration date	Dec. 31, 2016
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 22,900
State and Local Jurisdiction [Member] | Earliest [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryover expiration date	Dec. 31, 2016
State and Local Jurisdiction [Member] | Latest [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryover expiration date	Dec. 31, 2035
Research Tax Credit Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	$ 12,400
Research Tax Credit Carryforward [Member] | Earliest [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Expiration Date	Dec. 31, 2019
Research Tax Credit Carryforward [Member] | Latest [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Expiration Date	Dec. 31, 2035
Foreign Tax Credit Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	$ 7,900
Foreign Tax Credit Carryforward [Member] | Latest [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Expiration Date	Dec. 31, 2025