Debt (Additional Information) (Detail)	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jun. 30, 2015 USD ($)	Jun. 18, 2015 USD ($)	Jun. 17, 2015 USD ($)	Jul. 13, 2011 USD ($)
Debt Instrument [Line Items]
Estimated employer contributions in 2015	$ 300,000
Credit agreement, maximum borrowing capacity							$ 265,000,000
Credit line	0
Debt issuance cost, noncurrent	$ 2,100,000					$ 500,000
Actual leverage ratio	1.47
Interest coverage ratio, actual	23.82
Amortization expense, debt issue costs	$ 500,000	$ 500,000	$ 500,000
Interest expense on outstanding debt	3,500,000	1,800,000	2,200,000
Unused commitment fee	$ 300,000	400,000	500,000
Option to buy out capital lease, year	2013
Capital lease, expiration date	2021
Capital lease obligation	$ 5,800,000	6,800,000
Amortization expense related to the capital lease	300,000	400,000	400,000
Capital leases accumulated depreciation	1,900,000	1,600,000
Interest expense on capital lease	400,000	500,000	500,000
Interest Paid	3,300,000	2,500,000	$ 3,100,000
Revolving Credit Facility
Debt Instrument [Line Items]
Amount drawn on the line of credit to fund the acquisition of Curamik	125,000,000
Repayments of lines of credit	6,400,000	17,500,000
Letter of Credit
Debt Instrument [Line Items]
Credit agreement, maximum borrowing capacity	1,200,000	1,400,000
Amounts drawn on LOC		$ 0
Bank Term Loan
Debt Instrument [Line Items]
Term loan debt	$ 53,600,000
Debt Instrument, Interest Rate, Stated Percentage	0.752%
Interest rate spread over variable rate	1.50%
Amended Credit Facility
Debt Instrument [Line Items]
Credit agreement, maximum borrowing capacity					$ 350,000,000
Debt issuance cost, noncurrent				$ 1,800,000
Line of credit facility, additional borrowing capacity					50,000,000
Leverage ratio, maximum	3.25
Maximum leverage ratio option	3.50
Interest coverage ratio, minimum	3.00
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]
Unused commitment fee percentage	0.20%
Interest rate spread over variable rate	0.375%
Amended Credit Facility | Maximum
Debt Instrument [Line Items]
Unused commitment fee percentage	0.30%
Interest rate spread over variable rate	0.75%
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	0.4375%
Interest Rate Swap Instrument | Bank Term Loan
Debt Instrument [Line Items]
Term loan debt	$ 16,200,000