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Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	7 Months Ended	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Jul. 13, 2020	Jun. 30, 2020
Business Acquisition [Line Items]
Business acquisition, goodwill acquired	$ 482,043	$ 468,413	$ 482,043
Employees
Business Acquisition [Line Items]
Transaction costs						$ 9,000
Compensation Expense, Excluding Cost of Good and Service Sold			3,700
Selling, general and administrative
Business Acquisition [Line Items]
Transaction costs				$ 4,000
C Technologies
Business Acquisition [Line Items]
Business acquisition, goodwill acquired	142,314		142,314
Business acquisition, revenue	9,000	16,400	23,300
Business acquisitions proforma net income	2,100	$ 7,400	800	$ 21,012
Deferred tax liability			300
C Technologies | Employees
Business Acquisition [Line Items]
Compensation Expense, Excluding Cost of Good and Service Sold			9,000
C Technologies | Goodwill [Member]
Business Acquisition [Line Items]
Intangible Asset Residual Value	142,300		142,300
Engineered Molding Technology LLC [Member]
Business Acquisition [Line Items]
Business combination, consideration transferred			28,500
Business acquisition, net tangible assets acquired	1,500		1,500
Business Combination, Acquisition Related Costs	1,000		1,100
Fair value of acquired finite lived intangible assets	14,400		14,400
Business acquisition, goodwill acquired	12,600		12,600		$ 12,573
Business acquisition, voting interest acquired					100.00%
Business acquisition, Indemnification escrow			2,200
Engineered Molding Technology LLC [Member] | Goodwill [Member]
Business Acquisition [Line Items]
Intangible Asset Residual Value	$ 12,600		$ 12,600

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The aggregate expected value at the end of their useful life of a major finite-lived intangible asset class acquired during the period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan. Excludes compensation cost in cost of good and service sold.

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