Acquisitions - Additional Information (Details) - USD ($)			9 Months Ended
	Jul. 31, 2017	Sep. 19, 2016	Sep. 30, 2017
Globe Holding Company LLC
Business Acquisition [Line Items]
Voting interest acquired (percentage)	100.00%
All-cash transaction value	$ 215,000,000
Working capital adjustment	1,000,000
Estimated future amortization expense, remainder of fiscal year			$ 1,700,000
Estimated future amortization expense, 2018			4,100,000
Estimated future amortization expense, 2019			4,100,000
Estimated future amortization expense, 2020			4,100,000
Estimated future amortization expense, 2021			4,100,000
Estimated future amortization expense, 2022			3,200,000
Estimated future depreciation expense, remainder of fiscal year			300,000
Estimated future depreciation expense, 2018			1,000,000
Estimated future depreciation expense, 2019			1,000,000
Estimated future depreciation expense, 2020			1,000,000
Estimated future depreciation expense, 2021			1,000,000
Estimated future depreciation expense, 2022			1,000,000
Cash	58,000
Goodwill	$ 71,700,000
Transaction and integration costs			1,000,000
Sales			19,700,000
Net income			1,700,000
Net income provided by Globe			2,400,000
Senscient, Inc.
Business Acquisition [Line Items]
Voting interest acquired (percentage)		100.00%
Estimated future amortization expense, remainder of fiscal year			300,000
Estimated future amortization expense, 2018			700,000
Estimated future amortization expense, 2019			700,000
Estimated future amortization expense, 2020			700,000
Estimated future amortization expense, 2021			700,000
Purchase price		$ 19,100,000
Contingent consideration		0
Cash		700,000
Goodwill		$ 10,500,000	10,500,000
Transaction and integration costs			$ 400,000
Distributor relationships | Globe Holding Company LLC
Business Acquisition [Line Items]
Acquired intangible assets, amortization period	20 years
Acquired technology and other intangible assets | Globe Holding Company LLC
Business Acquisition [Line Items]
Acquired intangible assets, amortization period	5 years
Acquired technology and other intangible assets | Senscient, Inc.
Business Acquisition [Line Items]
Intangible asset, useful life (years)			10 years
Customer-related intangibles | Senscient, Inc.
Business Acquisition [Line Items]
Intangible asset, useful life (years)			5 years