Financing Arrangements (Asset Based Revolving Credit Facility) - Additional Information (Detail)	1 Months Ended		3 Months Ended		6 Months Ended
	May 31, 2020 USD ($)	Jan. 31, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 JPY (¥)	Jun. 30, 2020 USD ($) $ / shares	May 04, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Asset-based credit facilities								$ 55,551,000		$ 144,580,000	$ 165,467,000
Cash and cash equivalents								164,416,000		106,666,000	81,490,000	$ 63,981,000
Total available liquidity								483,110,000			273,387,000
Asset-based credit facility, maximum borrowing capacity								400,000,000
Debt Issuance Costs, Net								8,537,000
Equipment note, short-term								8,653,000		7,317,000
Equipment note, long-term								628,851,000		443,259,000
Long-term debt, gross								734,930,000
Debt instrument, convertible, conversion ratio					0.0567698
Debt Instrument, Convertible, If-converted Value in Excess of Principal					$ 0
Interest income			$ 119,000	$ 476,000	218,000	$ 665,000
Debt Instrument, Capped Call Transaction Cap Price, Per Share | $ / shares									$ 27.10
Debt Instrument, Payment For Capped Call Transactions	$ 31,775,000
United States
Debt Instrument [Line Items]
Asset-based credit facility, maximum borrowing capacity								260,000,000
Germany
Debt Instrument [Line Items]
Asset-based credit facility, maximum borrowing capacity								70,000,000
Canada
Debt Instrument [Line Items]
Asset-based credit facility, maximum borrowing capacity								25,000,000
United Kingdom
Debt Instrument [Line Items]
Asset-based credit facility, maximum borrowing capacity								$ 45,000,000
Bank of America, N.A.
Debt Instrument [Line Items]
Amount outstanding under letters of credit											$ 1,177,000
Average outstanding borrowing					188,559,000
Average available liquidity					$ 160,432,000
Asset-based credit facility, maturity date					May 31, 2024
Debt covenants , dividend restrictions					In addition, the ABL Facility imposes restrictions on the amount the Company could pay in annual cash dividends, including certain restrictions on the amount of additional indebtedness and requirements to maintain a certain fixed charge coverage ratio under certain circumstances.
Debt Covenant, Borrowing Base Below Threshold, Period Ratio Required to be in Compliance					30 days
Fixed Charge Coverage Ratio Covenant Reference Borrowing Capacity, Percent					10.00%
Fixed Charge Coverage Ratio Covenant Reference Borrowing Capacity					$ 40,000,000
Asset-based credit facility, interest rate							3.93%	3.93%
Asset-based credit facility, Monthly fees on unused portion					0.25%
Asset-based credit facility, origination fees								$ 3,526,000
Unamortized origination fees								1,957,000		2,115,000
Bank of America, N.A. | Other Current Assets
Debt Instrument [Line Items]
Asset-based credit facility, origination fees included in other current assets								824,000		746,000
Bank of America, N.A. | Other Assets
Debt Instrument [Line Items]
Asset-based credit facility, origination fees included in other long-term assets								1,134,000		1,369,000
Stretch Term Loan Facility [Member]
Debt Instrument [Line Items]
Asset-based credit facility, maximum borrowing capacity								30,000,000
Japan Credit Facility, 1 | The Bank Of Tokyo-Mitsubishi UFJ
Debt Instrument [Line Items]
Asset-based credit facilities							¥ 3,000,000,000	27,795,000
Asset-based credit facility, maximum borrowing capacity							¥ 4,000,000,000	$ 37,060,000
Applicable margin rate reduction					subject to an effective interest rate equal to the Tokyo interbank offered rate plus 0.80%
Asset-based credit facility, interest rate							0.87%	0.87%
Debt instrument term					3 years
Japan Credit Facility, 1 | The Bank Of Tokyo-Mitsubishi UFJ | Tokyo Interbank Offered Rate (TIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate on debt					0.80%
Japan Credit Facility 2 | The Bank Of Tokyo-Mitsubishi UFJ | Tokyo Interbank Offered Rate (TIBOR)
Debt Instrument [Line Items]
Applicable margin rate reduction					subject to an effective interest rate equal to the Tokyo Interbank Offered Rate (TIBOR) plus 1.0%
Basis spread on variable rate on debt					1.00%
Japan Credit Facility 2 | The Bank of Tokyo-Mitsubishi UFG Ltd
Debt Instrument [Line Items]
Asset-based credit facilities | ¥							¥ 0
Asset-based credit facility, maximum borrowing capacity							¥ 2,000,000,000	$ 18,530,000
Asset-based credit facility, interest rate							1.07%	1.07%
Debt instrument term					1 year
Intellectual Property
Debt Instrument [Line Items]
Line Of Credit, Maximum Borrowing Capacity, Quarterly Reduction Period					3 years
Real Estate
Debt Instrument [Line Items]
Line Of Credit, Maximum Borrowing Capacity, Quarterly Reduction Period					15 years
Convertible Senior Notes, Liability Component
Debt Instrument [Line Items]
Debt Issuance Costs, Net								$ 6,013,000
Convertible Senior Notes, Equity Component
Debt Instrument [Line Items]
Debt Issuance Costs, Net								2,524,000
Secured Debt | 2020 Equipment Note
Debt Instrument [Line Items]
Long-term Debt								26,754,000		19,715,000
Equipment note, short-term								6,550,000		5,107,000
Equipment note, long-term								20,204,000		14,608,000
Interest Expense, Debt			212,000	84,000	$ 377,000	173,000
Secured Debt | Term Loan Facility
Debt Instrument [Line Items]
Long-term Debt								444,000,000		$ 446,400,000
Debt Issuance Costs, Net								14,835,000
Equipment note, short-term								4,800,000
Interest Expense, Debt			$ 6,320,000	$ 9,062,000	13,770,000	$ 17,842,000
Convertible Debt, Face Amount		$ 480,000,000
Debt Issuance Costs, Gross		9,600,000
Long Term Debt, Maximum Additional Loan Commitments, Amounts		$ 225,000,000
Line Of Credit Facility Covenant Terms, First Lien Net Leverage Ratio For Unlimited Commitment		2.25
Debt Instrument, Periodic Payment, Principal					$ 1,200,000
Secured Debt | Term Loan Facility, Short-Term Portion
Debt Instrument [Line Items]
Debt Issuance Costs, Net								2,697,000
Secured Debt | Term Loan Facility, Long-Term Portion
Debt Instrument [Line Items]
Debt Issuance Costs, Net								12,138,000
Convertible Senior Notes
Debt Instrument [Line Items]
Long-term Debt								177,847,000
Convertible Debt, Face Amount									$ 258,750,000
Unamortized debt issuance expense								5,895,000
Unamortized discount								$ 75,008,000
Remaining discount amortization period					5 years 9 months 18 days
Beneficial conversion feature					$ 76,508,000
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares								$ 17.62
Convertible Debt Stated Interest Rate									2.75%
Maximum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate on debt		4.50%
Maximum | Secured Debt | 2020 Equipment Note
Debt Instrument [Line Items]
Asset-based credit facility, interest rate							3.79%	3.79%
Maximum | Secured Debt | Term Loan Facility | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate on debt					4.50%
Minimum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate on debt		4.60%
Minimum | Secured Debt | 2020 Equipment Note
Debt Instrument [Line Items]
Asset-based credit facility, interest rate							3.21%	3.21%
Minimum | Secured Debt | Term Loan Facility | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate on debt					3.50%
Interest Rate Swap
Debt Instrument [Line Items]
Long-term debt, gross		$ 200,357,000
Currency Swap
Debt Instrument [Line Items]
Hedging Liabilities, Noncurrent		$ 176,200,000