Business Acquisitions - Narrative (Details) $ in Thousands, € in Millions, ₨ in Millions, SEK in Millions, CAD in Millions, AUD in Millions	3 Months Ended							12 Months Ended
	Dec. 31, 2017 USD ($)	Jun. 30, 2017 CAD	Dec. 31, 2015 EUR (€)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Mar. 31, 2015 SEK	Mar. 31, 2015 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2017 INR (₨)	Dec. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2016 CAD	Dec. 31, 2016 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2015 AUD	Dec. 31, 2015 USD ($)	Sep. 30, 2015 EUR (€)	Sep. 30, 2015 USD ($)	Dec. 31, 2014 AUD	Dec. 31, 2014 SEK	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Goodwill												$ 86,034			$ 80,804			$ 79,111
Contingent Consideration Paid									$ 0	$ 226
Business Combination Transaction-related Expenses								$ 30,800	$ 1,500
Mining [Member]
Business Acquisition [Line Items]
Cash Paid for Acquisitions																$ 1,900					AUD 2.9		$ 2,400
Present Value of Holdback																	AUD 0.3	$ 200
Binol [Member]
Business Acquisition [Line Items]
Cash Paid for Acquisitions																						SEK 136.5	$ 18,500
Post Closing Adjustment						SEK 4.4	$ 500
Verkol [Member]
Business Acquisition [Line Items]
Cash Paid for Acquisitions																			€ 37.7	$ 41,400
Long-term Debt																			(2.2)	(2,400)
Post Closing Adjustment			€ 1.3	$ 1,400
Cash Acquired																			€ 14.1	$ 15,400
Business Combination Transaction-related Expenses					$ 2,800
Lubricor [Member]
Business Acquisition [Line Items]
Cash Paid for Acquisitions														CAD 16.0	$ 12,000
Metal Working North America [Member]
Business Acquisition [Line Items]
Cash Paid for Acquisitions		CAD 7.3											$ 5,400
Other Assets Current													600
Goodwill													1,800
Intangibles													$ 3,000
Metal Working North America [Member] | Customer Lists [Member]
Business Acquisition [Line Items]
Intangible Assets, Amortizable Life		10 years
Metal Working North America [Member] | Noncompete Agreements [Member]
Business Acquisition [Line Items]
Intangible Assets, Amortizable Life		5 years
Metal Working North America [Member] | Trademarks Formulations And Product Technology [Member]
Business Acquisition [Line Items]
Intangible Assets, Amortizable Life		15 years
India [Member]
Business Acquisition [Line Items]
Cash Paid for Acquisitions											₨ 2,025.0	$ 31,800
Percentage of Voting Interests Acquired											45.00%	45.00%
Adjustments To Additional Paid In Capital Other	$ 21,200