Debt instrument additional stated amount if certain conditions met.

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Debt instrument quarterly repayment percentage of principal amount.

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Line of credit facility increased maximum borrowing capacity if certain condition met.

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Maximum Debt Instrument Leverage Ratio

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Minimum availability under revolving credit for three consecutive months to avoid debt covenant.

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Percentage of capital stock of foreign subsidiaries pledged as collateral.

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Unamortized Debt Issuance Expense Current.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.

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Face (par) amount of debt instrument at time of issuance.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Description of the credit facility's borrowing capacity including discussion of how the borrowing capacity is determined (for example, borrowing capacity based on the amount of current assets).

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Description of the conditions for borrowing under the credit facility including the nature of any restrictions.

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The effective interest rate at the end of the reporting period.

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Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Debt - Additional Information (Detail) ¥ in Millions	12 Months Ended
Debt - Additional Information (Detail) ¥ in Millions	Dec. 31, 2018 USD ($)	Dec. 31, 2018 CNY (¥)	Mar. 02, 2018 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 150,000,000
Unamortized debt issuance costs	$ 7,500,000
Interest rates on outstanding borrowings	6.00%	6.00%
Minimum availability under revolving credit to maintain minimum fixed charge ratio for four consecutive months	$ 15,000,000
Debt instrument, quarterly repayment percentage of principal	0.25%
Maximum Debt Instrument Leverage Ratio	3.75
Debt instrument, basis spread on variable rate	1.00%
Line of credit facility, description	The Incremental Facilities may not exceed the sum of (i) $50.0 million, plus (ii) an unlimited amount so long as, in the case of (ii) only, the Company's secured net leverage ratio, as defined in and computed pursuant to the Term Loan, is no greater than 3.75 to 1.00 subject to certain limitations and for the period defined pursuant to the Term Loan.
Line of credit facility description	The Term Loan bears interest, at the Company’s option, at one of the following rates: (i) an alternate base rate, defined, for any day, as the greater of the prime rate, a federal funds and overnight bank funding based rate, plus 0.5% or one-month LIBOR (at the Company’s option), plus 1.0%, plus a margin of 2.50% or (ii) LIBOR plus a margin of 3.50%.
Unamortized debt issuance costs- short term	$ 1,500,000
Outstanding borrowings under term loan	272,938,000
ABL Credit Agreement
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	150,000,000
Outstanding borrowing under credit facility	42,100,000
Open letters of credit	3,400,000
Availability under revolving credit facility	$ 104,500,000
Credit facility, maximum borrowing capacity terms	The borrowing capacity under the ABL Agreement will depend, in part, on eligible levels of accounts receivable and inventory that fluctuate regularly. Consequently, the $150.0 million commitment thereunder may not represent actual borrowing capacity at any given time.
Line of credit facility description	Borrowings under the revolving credit facility bear interest, at the Company's option, at one of the following rates: (i) an alternate base rate, defined, for any day, as the greater of the prime rate, a federal funds and overnight bank funding based rate plus 0.5% or one-month LIBOR, plus 1.0%, plus a margin of 0.25% to 0.75%, or (ii) LIBOR plus a margin of 1.25% to 1.75%. The respective margins are based upon the Company's total leverage ratio, as defined in and computed pursuant to the ABL Agreement.
Debt Agreements
Debt Instrument [Line Items]
Percentage of capital stock of foreign subsidiaries pledged as collateral	65.00%	65.00%
Credit facility terms	The Debt Agreements provide for customary restrictions and events of default. Restrictions include limitations on additional indebtedness, acquisitions, investments and payment of dividends, among other things. Further, the ABL Agreement provides that during any period (a) commencing on the last day of the most recently-ended four consecutive fiscal quarters on or prior to the date that availability under the ABL Agreement is less than the greater of $15.0 million or 10% of the aggregate commitment under the ABL Agreement at any time and (b) ending on the day after such availability has exceeded the greater of $15.0 million or 10% of the aggregate commitment under the ABL Agreement for forty-five (45) consecutive days, the Company is required to maintain a minimum fixed charge coverage ratio of 1.10 to 1.00 as of the last day of any period of four consecutive fiscal quarters.
Commitment Fee Percentage	10.00%
Term Loan
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 275,000,000
Term Loan \| One-month LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Term Loan \| Alternate Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.50%
Term Loan \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	3.50%
Term Loan \| Prime rate, federal funds and overnight bank funding based rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.50%
Revolving Credit Facility \| Minimum \| ABL Credit Agreement
Debt Instrument [Line Items]
Interest rates on outstanding borrowings	2.40%	2.40%
Percentage of line of credit facility unused capacity commitment fee	0.375%
Revolving Credit Facility \| Minimum \| ABL Credit Agreement \| Alternate Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.25%
Revolving Credit Facility \| Minimum \| ABL Credit Agreement \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.25%
Revolving Credit Facility \| Maximum \| ABL Credit Agreement
Debt Instrument [Line Items]
Interest rates on outstanding borrowings	6.25%	6.25%
Revolving Credit Facility \| Maximum \| ABL Credit Agreement \| Alternate Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.75%
Revolving Credit Facility \| Maximum \| ABL Credit Agreement \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.75%
HSBC Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 2,800,000	¥ 18.0
Outstanding borrowing under credit facility		¥ 0.5		$ 69,000
Senior Secured Asset Based Revolving Credit Facilities \| ABL Credit Agreement
Debt Instrument [Line Items]
Line of credit facility maximum borrowing capacity if certain conditions are met	200,000,000
Increase in line of credit facility	50,000,000
Former Credit Facility
Debt Instrument [Line Items]
Outstanding borrowing under credit facility				94,700,000
Open letters of credit				3,200,000
Availability under revolving credit facility				$ 58,000,000
Write off of debt issuance cost	$ 66,000