Acquisitions and Dispositions of Businesses (Assets Acquired and Liabilities Assumed) (Details 1) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill	$ 1,179,431	$ 1,122,954
Pension and other post retirement benefits liabilities	(59,100)
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Accounts receivable	386	8,538
Other current assets	130	2,298
Property, plant and equipment	8,960	3,940
Goodwill	42,632	184,118
Indefinite-lived intangible assets	26,600	53,110
Amortized intangible assets	53,307	28,267
Pension and other post retirement benefits liabilities	(59,116)	0
Other liabilities	(1,217)	(21,892)
Deferred income tax asset	13,733
Deferred income tax liability		(11,009)
Aggregate purchase price, net of cash acquired	$ 85,415	$ 247,370