Acquisitions (Details) $ in Thousands, € in Millions			3 Months Ended		6 Months Ended
	Jul. 31, 2015 EUR (€)	Jul. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Cash paid for acquisition, net of cash received					$ 188,835	$ 102,500
Goodwill			$ 752,726		$ 752,726		$ 675,484
Business acquisition contingent consideration						$ 15,000
Henry H Ottens Manufacturing Co [Member]
Business Acquisition [Line Items]
Percentage of interests acquired			100.00%		100.00%
Cash paid for acquisition, net of cash received			$ 199,200
Cash Acquired from Acquisition			10,400
Purchase price over carrying value of net assets			162,000		$ 162,000
Intangible assets acquired			85,000		85,000
Goodwill			$ 77,000		$ 77,000
Aromor [Member]
Business Acquisition [Line Items]
Percentage of interests acquired				100.00%		100.00%
Cash paid for acquisition, net of cash received				$ 102,600
Cash Acquired from Acquisition				100
Purchase price over carrying value of net assets				56,000		$ 56,000
Intangible assets acquired				53,000		53,000
Goodwill				10,000		10,000
Deferred tax liabilities				9,000		$ 9,000
Business acquisition contingent consideration				$ 15,000
Minimum [Member] | Henry H Ottens Manufacturing Co [Member]
Business Acquisition [Line Items]
Acquired intangible assets useful life			5 years
Minimum [Member] | Aromor [Member]
Business Acquisition [Line Items]
Acquired intangible assets useful life				13 years
Maximum [Member] | Henry H Ottens Manufacturing Co [Member]
Business Acquisition [Line Items]
Acquired intangible assets useful life			17 years
Maximum [Member] | Aromor [Member]
Business Acquisition [Line Items]
Acquired intangible assets useful life				19 years
Subsequent Event [Member] | Lucas Meyer [Member]
Business Acquisition [Line Items]
Percentage of interests acquired	100.00%	100.00%
Cash paid for acquisition, net of cash received	€ 283.0	$ 311,000