Long-Term Debt - Additional Information (Detail)							1 Months Ended		12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 12, 2016 USD ($)	Oct. 21, 2016 USD ($)	Oct. 22, 2015 USD ($)	Sep. 01, 2011 USD ($)	Jan. 31, 2017 USD ($) shares	Mar. 31, 2011 USD ($) d $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($)	Dec. 31, 2015 EUR (€)	Dec. 31, 2016 EUR (€)	Dec. 30, 2016 USD ($)	Dec. 31, 2015 EUR (€)
Debt Instrument [Line Items]
Conversion of Convertible Debt									$ 45,286,000
Loss on extinguishment of debt									1,989,000
Carrying amount of financial instruments	$ 325,969,000	$ 325,969,000							325,969,000	$ 231,568,000
Borrowings under overdraft agreements	0	0							$ 0	0
Zlate Moravce Slovakia [Member]
Debt Instrument [Line Items]
Interest rate									1.95%
Mortgage remaining principal balance	$ 2,600,000	$ 2,600,000							$ 2,600,000			€ 2,500,000
Description about maturity date of debt instrument									The loan is due in installments from 2016 through 2020
Line of Credit [Member] | Multicurrency [Member]
Debt Instrument [Line Items]
Availability under credit facility agreement				$ 250,000,000
Convertible Notes [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date								Mar. 01, 2031
Coupon interest rate						2.75%
Proceeds from the offering						$ 81,300,000
Conversion of notes into shares (in shares) | shares		1,500,000						36.0985	1,536,992
Principal amount of notes			$ 1,000					$ 1,000
Conversion price per share (in USD per share) | $ / shares	$ 25.59	$ 25.59							$ 25.59
Percentage of sale price of common stock								130.00%
Number of consecutive trading days								30 days
Number of business day period								5 days
Number of consecutive trading days in measurement period								10 days
Percentage of measurement period								97.00%
Percentage of convertible notes redeemable								100.00%	100.00%
Convertible notes redeemable period one								Mar. 01, 2018
Convertible notes redeemable period two								Mar. 01, 2021
Convertible notes redeemable period three								Mar. 01, 2026
Conversion price redemption exceed								130.00%
Principal amount of debt	$ 85,000,000	$ 85,000,000						$ 85,000,000	$ 85,000,000	85,000,000
Debt component in note payable								60,500,000
Equity component in note payable								$ 24,500,000
Discount rate for debt component								8.25%
Debt issuance cost								$ 3,700,000
Conversion of Convertible Debt								1,000,000
Debt issuance cost, amortized								$ 2,700,000
Notes redemption date									Jan. 12, 2017
Surrender of notes for conversion end date									Jan. 09, 2017
Conversion of notes into shares (in shares)			0.390809
Conversion of notes into shares, amount		39,300,000							$ 39,300,000
Loss on extinguishment of debt		1,900,000
Carrying amount of financial instruments	42,921,000	42,921,000							$ 42,921,000	75,938,000
Convertible Notes [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Conversion of notes into shares (in shares) | shares							1,700,000
Redemption of debt							$ 900,000
Convertible Notes [Member] | Initial Conversion Price [Member]
Debt Instrument [Line Items]
Conversion price per share (in USD per share) | $ / shares								$ 27.70
Convertible Notes [Member] | Minimum [Member]
Debt Instrument [Line Items]
Number of trading days | d								20
Mortgages and Other [Member] | Heidelberg Germany [Member]
Debt Instrument [Line Items]
Interest rate									1.79%
New mortgage amount										1,700,000				€ 1,500,000
Mortgage remaining principal balance	1,400,000	1,400,000							$ 1,400,000	1,600,000		1,300,000		1,500,000
Mortgages and Other [Member] | Esslingen Germany [Member]
Debt Instrument [Line Items]
Mortgage remaining principal balance	6,300,000	6,300,000							$ 6,300,000	6,500,000		6,000,000		6,000,000
Construction loan										6,700,000				6,000,000
Mortgage interest rate									2.50%
Monthly installments										100,000	€ 100,000
Mortgages and Other [Member] | Angers France [Member]
Debt Instrument [Line Items]
Interest rate									1.85%
Mortgage remaining principal balance	2,000,000	2,000,000							$ 2,000,000	2,200,000		€ 1,900,000		2,000,000
Construction loan										2,300,000				€ 2,000,000
Capital Leases [Member]
Debt Instrument [Line Items]
Principal amount of debt	400,000	400,000							400,000	500,000
2015 Credit Agreement [Member]
Debt Instrument [Line Items]
Amendment fee included in other non-current assets				600,000
2015 Credit Agreement [Member] | Line of Credit [Member] | 2015 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Availability under credit facility agreement					$ 350,000,000								$ 425,000,000
Debt instrument, maturity date					Oct. 22, 2020
Credit facility additional borrowing capacity	150,000,000	150,000,000		$ 75,000,000					150,000,000
Outstanding on revolving credit facility	313,600,000	313,600,000							313,600,000	145,200,000
Amount available under credit facility	$ 107,300,000	107,300,000							107,300,000
2015 Credit Agreement [Member] | Line of Credit [Member] | 2015 Revolving Credit Facility [Member] | Eurodollar Loan [Member]
Debt Instrument [Line Items]
Applicable margins for loans	1.50%
2015 Credit Agreement [Member] | Line of Credit [Member] | 2015 Revolving Credit Facility [Member] | Minimum [Member] | Eurodollar Loan [Member]
Debt Instrument [Line Items]
Applicable margins for loans					1.25%
2015 Credit Agreement [Member] | Line of Credit [Member] | 2015 Revolving Credit Facility [Member] | Minimum [Member] | ABR Based Loans [Member]
Debt Instrument [Line Items]
Applicable margins for loans					0.25%
2015 Credit Agreement [Member] | Line of Credit [Member] | 2015 Revolving Credit Facility [Member] | Maximum [Member] | Eurodollar Loan [Member]
Debt Instrument [Line Items]
Applicable margins for loans					2.00%
2015 Credit Agreement [Member] | Line of Credit [Member] | 2015 Revolving Credit Facility [Member] | Maximum [Member] | ABR Based Loans [Member]
Debt Instrument [Line Items]
Applicable margins for loans					1.00%
2015 Credit Agreement [Member] | Line of Credit [Member] | Letter of Credit [Member]
Debt Instrument [Line Items]
Letters of credit outstanding	$ 4,100,000	4,100,000							4,100,000	$ 7,000,000
2015 Credit Agreement [Member] | Domestic Line of Credit [Member] | 2015 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Outstanding on revolving credit facility	295,200,000	295,200,000							$ 295,200,000
Interest rate									2.27%
2015 Credit Agreement [Member] | Foreign Line of Credit [Member] | 2015 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Outstanding on revolving credit facility	$ 18,400,000	$ 18,400,000							$ 18,400,000
Interest rate									1.50%