Business Acquisitions - Narrative (Details) CAD in Thousands, $ in Thousands, € in Millions	3 Months Ended											9 Months Ended
	Sep. 30, 2017 USD ($)	Jun. 30, 2017 CAD	Jun. 30, 2017 USD ($)	Dec. 31, 2016 CAD	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2015 EUR (€)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 EUR (€)	Sep. 30, 2015 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
Business Acquisition [Line Items]
Cash Paid for Acquisitions												$ 5,363	$ 3,244
Goodwill	$ 85,816				$ 80,804							85,816
Business Combination Transaction-Related Expenses	$ 9,700					$ 1,200						$ 23,100	$ 1,200
Mining [Member]
Business Acquisition [Line Items]
Cash Paid for Acquisitions							$ 1,900
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
Lubricor [Member]
Business Acquisition [Line Items]
Cash Paid for Acquisitions				CAD 16,000	$ 12,000
Metalworking North America [Member]
Business Acquisition [Line Items]
Cash Paid for Acquisitions		CAD 7,300	$ 5,400
Other Current Assets			600
Goodwill			1,800
Intangibles			$ 3,000
Metalworking North America [Member] | Customer Lists [Member]
Business Acquisition [Line Items]
Intangible Assets, Amortizable Life		10 years	10 years
Metalworking North America [Member] | Noncompete Agreements [Member]
Business Acquisition [Line Items]
Intangible Assets, Amortizable Life		5 years	5 years
Metalworking North America [Member] | Finite Lived Trademarks Formulations and Product Technology [Member}
Business Acquisition [Line Items]
Intangible Assets, Amortizable Life		15 years	15 years