Debt (Additional Information) (Detail)					3 Months Ended		12 Months Ended
	Feb. 17, 2017 USD ($)	Jan. 06, 2017 USD ($)	Nov. 23, 2016 USD ($)	Jan. 22, 2015 USD ($)	Dec. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 18, 2015 USD ($)
Debt Instrument [Line Items]
Periodic payment					$ 3,653,000		$ 3,653,000	$ 2,966,000
Interest expense on capital lease							300,000	400,000	$ 500,000
Interest expense on outstanding debt							3,100,000	3,500,000	1,800,000
Interest paid							3,100,000	3,300,000	2,500,000
Unused commitment fee							400,000	300,000	400,000
Amortization expense, debt issue costs							$ 500,000	500,000	500,000
Leverage ratio, cash dividends, maximum					2.00		2.00
Capital lease, expiration date							2021
Capital lease obligation					$ 5,300,000		$ 5,300,000	5,800,000
Amortization expense related to the capital lease							300,000	300,000	$ 400,000
Capital leases accumulated depreciation					3,400,000		3,400,000	3,300,000
Revolving Credit Facility
Debt Instrument [Line Items]
Repayments of lines of credit							103,400,000	6,400,000
Line of credit					191,000,000		191,000,000
Letter of Credit
Debt Instrument [Line Items]
Credit agreement, maximum borrowing capacity					1,200,000		1,200,000	1,200,000.0
Amounts drawn on LOC					0		0	$ 0
Maximum
Debt Instrument [Line Items]
Allowed dividend payments							10,000,000
Bank Term Loan
Debt Instrument [Line Items]
Periodic payment					4,100,000		4,100,000
Term loan debt					$ 50,200,000		$ 50,200,000
Interest rate spread over variable rate							1.375%
Amended Credit Facility
Debt Instrument [Line Items]
Line of credit facility, additional borrowing capacity										$ 50,000,000
Interest paid							$ 3,600,000
Leverage ratio, maximum					3.25		3.25
Maximum leverage ratio option					3.50		3.50
Interest coverage ratio, minimum					3.00		3.00
Deferred debt issuance costs					$ 1,600,000		$ 1,600,000
Amended Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Credit agreement, maximum borrowing capacity										295,000,000
Amended Credit Facility | Minimum
Debt Instrument [Line Items]
Interest rate spread over variable rate							0.375%
Unused commitment fee, percentage							0.20%
Amended Credit Facility | Maximum
Debt Instrument [Line Items]
Interest rate spread over variable rate							0.75%
Unused commitment fee, percentage							0.30%
Amended Credit Facility | Bank Term Loan
Debt Instrument [Line Items]
Credit agreement, maximum borrowing capacity										$ 55,000,000.0
Eurocurrency loans | Minimum
Debt Instrument [Line Items]
Interest rate spread over variable rate							1.375%
Eurocurrency loans | Maximum
Debt Instrument [Line Items]
Interest rate spread over variable rate							1.75%
Federal Funds Rate | Amended Credit Facility
Debt Instrument [Line Items]
Interest rate spread over variable rate							0.50%
London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Interest rate spread over variable rate							1.00%
London Interbank Offered Rate (LIBOR) | Bank Term Loan
Debt Instrument [Line Items]
Derivative, basis spread on variable rate					0.625%		0.625%
DeWAL
Debt Instrument [Line Items]
Amount drawn on the line of credit to fund acquisition			$ 136,000,000
DeWAL | Revolving Credit Facility
Debt Instrument [Line Items]
Amount drawn on the line of credit to fund acquisition					$ 136,000,000
Diversified Silicone Products, Inc. | Revolving Credit Facility
Debt Instrument [Line Items]
Amount drawn on the line of credit to fund acquisition							$ 30,000,000
Arlon
Debt Instrument [Line Items]
Amount drawn on the line of credit to fund acquisition				$ 125,000,000
Arlon | Revolving Credit Facility
Debt Instrument [Line Items]
Amount drawn on the line of credit to fund acquisition						$ 125,000,000
Subsequent Event | Third Amended Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Credit agreement, maximum borrowing capacity	$ 450,000,000.0
Line of credit facility, additional borrowing capacity	$ 175,000,000.0
Leverage ratio, cash dividends, maximum	2.75
Subsequent Event | Third Amended Credit Agreement | Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Allowed dividend payments	$ 20,000,000
Subsequent Event | Diversified Silicone Products, Inc. | Revolving Credit Facility
Debt Instrument [Line Items]
Amount drawn on the line of credit to fund acquisition		$ 30,000,000