Acquisitions - Additional Information (Details) - USD ($) $ in Thousands				3 Months Ended		9 Months Ended
	Aug. 28, 2018	Jul. 06, 2018	Jan. 06, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Business Acquisition [Line Items]
Weighted average useful life (in years)						6 years 8 months
Amortization expense				$ 4,400	$ 3,800	$ 12,100	$ 11,000
Anticipated future amortization expense for 2018				4,400		4,400
Anticipated future amortization expense for 2019				13,300		13,300
Anticipated future amortization expense for 2020				14,700		14,700
Anticipated future amortization expense for 2021				13,900		13,900
Anticipated future amortization expense for 2022				17,800		17,800
Net sales				226,863	$ 206,783	656,149	$ 612,035
Asset acquisition, consideration transferred	$ 43,434
Capitalized lease cost	45,800
Lease consideration	2,000
Asset acquisition, transaction costs	$ 400
Lease income				200
Griswold
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired		100.00%
Consideration transferred		$ 78,600
Proceeds from line of credit		82,500		82,500
Earn out payment		$ 3,000
Anticipated future amortization expense for 2018				600		600
Anticipated future amortization expense for 2019				2,800		2,800
Anticipated future amortization expense for 2020				3,000		3,000
Anticipated future amortization expense for 2021				2,800		2,800
Anticipated future amortization expense for 2022				2,700		2,700
Net sales						$ 6,900
Diversified Silicone Products, Inc.
Business Acquisition [Line Items]
Consideration transferred			$ 60,200
Revolving Credit Facility | Diversified Silicone Products, Inc.
Business Acquisition [Line Items]
Proceeds from line of credit			$ 30,000
Customer relationships
Business Acquisition [Line Items]
Weighted average useful life (in years)						7 years 8 months
Customer relationships | Griswold
Business Acquisition [Line Items]
Intangible assets acquired				22,100		$ 22,100
Weighted average useful life (in years)						9 years 6 months
Developed Technology | Griswold
Business Acquisition [Line Items]
Intangible assets acquired				9,600		$ 9,600
Weighted average useful life (in years)						3 years 6 months
Trademarks | Griswold
Business Acquisition [Line Items]
Intangible assets acquired				1,800		$ 1,800
Weighted average useful life (in years)						10 years 4 months 24 days
Covenants not to compete
Business Acquisition [Line Items]
Weighted average useful life (in years)						2 years 3 months
Covenants not to compete | Griswold
Business Acquisition [Line Items]
Intangible assets acquired				600		$ 600
Weighted average useful life (in years)						3 years 2 months
Minimum | Griswold
Business Acquisition [Line Items]
Amortization expense						$ 700
Maximum | Griswold
Business Acquisition [Line Items]
Amortization expense						3,000
Selling, General and Administrative Expenses | Griswold
Business Acquisition [Line Items]
Transaction costs						$ 1,100
Other Operating Income (Expense)
Business Acquisition [Line Items]
Depreciation				$ 900