Commission Fee, As A Percentage Of Principal Loan Balance

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- Definition

Debt Instrument, Aggregate Principal Amount Of Second Lien Notes, Consent Of Holders To Release Liens, Percentage Required

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No definition available.

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- Definition

Debt Instrument, Conversion Feature, Reclassified to Equity

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- Definition

Debt Instrument, Convertible, Conversion Rate, Principal Amount of Convertible Notes for Shares, Principal Amount

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No definition available.

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- Definition

Debt Instrument, Convertible, Observation Period Trading Days

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- Definition

Debt Instrument, Convertible, Threshold Percentage Of Fundamental Change, Acquisition Of Voting Power

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- Definition

Debt Instrument, Option To Extend Maturity, Term

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- Definition

Debt Instrument, Restrictive Covenant, Maximum Borrowing Capacity, Amount

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- Definition

Debt Instrument, Restrictive Covenants, Fixed Charge Coverage Ratio

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- Definition

Line Of Credit Facility, Accounts Receivable Available, Percent

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- Definition

Line Of Credit Facility, Commitment Fee Description, Average Daily Usage, Percent

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No definition available.

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- Definition

Line Of Credit Facility, Early Redemption Fee, Percent

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- Definition

Line Of Credit Facility, Factoring Fee, Percent

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Long-Term-Debt, Aggregate Principal Of Notes Issued In Exchange

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Long-Term Debt, Portion Existing Convertible Note Exchanged

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No definition available.

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Long-Term Debt, Portion Existing Convertible Note Not Exchanged And Outstanding

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No definition available.

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Number Of Subsidiaries

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- Definition

Stock Issued During Period, Shares, Conversion Of Debt

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No definition available.

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- Definition

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

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No definition available.

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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- Definition

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

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

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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No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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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- Definition

The effective interest rate during the reporting period.

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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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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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Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Debt - Narrative (Details) $ / shares in Units, shares in Thousands			3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended	19 Months Ended	22 Months Ended	28 Months Ended
	Jun. 24, 2020 EUR (€)	Mar. 27, 2020 USD ($) shares	Sep. 30, 2020 USD ($) $ / shares	Sep. 30, 2019 USD ($)	Sep. 28, 2021	Sep. 30, 2020 USD ($) Day subsidiary $ / shares	Sep. 30, 2019 USD ($)	Mar. 27, 2021	Dec. 31, 2019 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2020 EUR (€)	Jul. 20, 2020 USD ($)	Apr. 28, 2020 USD ($)	Jun. 01, 2018 USD ($)	Aug. 31, 2017 USD ($)
Debt Instrument [Line Items]
Number of subsidiaries \| subsidiary						4
Noncash interest paid in kind						$ 8,277,000	$ 11,810,000
Unamortized debt issuance costs			$ 189,000			189,000			$ 289,000		$ 289,000
Common shares issued upon conversion of debt (in shares) \| shares		70,261
Reclassification of embedded conversion feature to additional paid-in capital						36,952,000
Short-term borrowings			$ 1,980,000			1,980,000			2,888,000		2,888,000
Additional Paid-in Capital
Debt Instrument [Line Items]
Payments of Debt Issuance Costs						1,376,000
Reclassification of embedded conversion feature to additional paid-in capital						36,952,000
Selling, General and Administrative Expenses
Debt Instrument [Line Items]
Payments of Debt Issuance Costs						1,376,000
3.00% / 5.00% Convertible Senior Secured PIK Toggle Notes Due August 31, 2024
Debt Instrument [Line Items]
Noncash interest paid in kind						$ 2,434,000
Debt conversion price (in dollars per share) \| $ / shares			$ 0.46			$ 0.46
Debt repurchase price (as a percent)						100.00%
5.00% / 7.00% Convertible Senior Secured PIK Toggle Notes Due August 31, 2022
Debt Instrument [Line Items]
Noncash interest paid in kind						$ 198,000					28,991,000
Existing notes not tendered and still outstanding		$ 3,693,000
Debt conversion price (in dollars per share) \| $ / shares			$ 3.77			$ 3.77
Debt repurchase price (as a percent)						100.00%
Line of Credit \| Floating rate Revolving A Credit Facility due February 28, 2022
Debt Instrument [Line Items]
Line of credit			$ 89,246,000			$ 89,246,000			102,000,000		102,000,000
Line of Credit \| Floating rate Revolving A Credit Facility due February 28, 2022 \| Scenario, Forecast
Debt Instrument [Line Items]
Early redemption fee (as a percent)					0.25%			0.50%
Line of Credit \| Floating rate Revolving A Credit Facility due February 28, 2022 \| LIBOR
Debt Instrument [Line Items]
Interest rate margin (as a percent)						3.00%
Line of Credit \| Revolving B Credit Facility
Debt Instrument [Line Items]
Stated interest rate (as a percent)			12.00%			12.00%						12.00%
Noncash interest paid in kind			$ 840,000	$ 744,000		$ 2,428,000	2,145,000		4,288,000	$ 6,716,000
Line of credit			28,216,000			28,216,000			25,788,000		25,788,000
Line of Credit \| China Credit Facility
Debt Instrument [Line Items]
Stated interest rate (as a percent)													3.60%
Convertible Debt \| 3.00% / 5.00% Convertible Senior Secured PIK Toggle Notes Due August 31, 2024
Debt Instrument [Line Items]
Noncash interest paid in kind			$ 1,205,000			$ 2,434,000
Aggregate principal amount of new notes		95,135,000
Debt conversion price (in dollars per share) \| $ / shares			$ 0.46			$ 0.46
Principal amount for conversion price calculation			$ 1.00			$ 1.00
Threshold percentage of acquisition of stock by person or group			50.00%			50.00%						50.00%
Number of trading days in observation period \| Day						20
Convertible Debt \| 3.00% / 5.00% Convertible Senior Secured PIK Toggle Notes Due August 31, 2024 \| Minimum
Debt Instrument [Line Items]
Stated interest rate (as a percent)			3.00%			3.00%						3.00%
Convertible Debt \| 3.00% / 5.00% Convertible Senior Secured PIK Toggle Notes Due August 31, 2024 \| Maximum
Debt Instrument [Line Items]
Stated interest rate (as a percent)			5.00%			5.00%						5.00%
Convertible Debt \| 5.00% / 7.00% Convertible Senior Secured PIK Toggle Notes Due August 31, 2022
Debt Instrument [Line Items]
Noncash interest paid in kind			$ 67,000	$ 3,277,000		$ 3,415,000	$ 9,664,000
Aggregate principal amount of Existing Notes tendered and accepted in exchange		$ 190,200,000
Debt conversion price (in dollars per share) \| $ / shares			$ 3.77			$ 3.77
Number of trading days in observation period \| Day						20
Percentage aggregate principal holder consent required to release lien			66.67%			66.67%						66.67%
Convertible Debt \| 5.00% / 7.00% Convertible Senior Secured PIK Toggle Notes Due August 31, 2022 \| Minimum
Debt Instrument [Line Items]
Stated interest rate (as a percent)			5.00%			5.00%						5.00%
Convertible Debt \| 5.00% / 7.00% Convertible Senior Secured PIK Toggle Notes Due August 31, 2022 \| Maximum
Debt Instrument [Line Items]
Stated interest rate (as a percent)			7.00%			7.00%						7.00%
Foreign Line of Credit
Debt Instrument [Line Items]
Line of credit capacity \| €												€ 6,500,000
Eligible accounts receivable (as a percent)						100.00%
Factoring fee (as a percent)						0.16%
Line of credit			$ 0			$ 0			$ 2,888,000		$ 2,888,000
Foreign Line of Credit \| Euribor
Debt Instrument [Line Items]
Interest rate margin (as a percent)						1.00%
Foreign Line of Credit \| LIBOR
Debt Instrument [Line Items]
Interest rate margin (as a percent)						1.00%
Unsecured Debt \| France Term Loan \| COVID-19
Debt Instrument [Line Items]
Stated interest rate (as a percent)	0.00%
Aggregate principal amount \| €	€ 6,000,000
Commitment fee, as a percentage	0.50%
Option to extend maturity of loan, term (in years)	5 years
Unsecured Debt \| 1.00% Paycheck Protection Program Term Note due April 28, 2022 \| COVID-19
Debt Instrument [Line Items]
Stated interest rate (as a percent)														1.00%
Aggregate principal amount														$ 10,000,000
Revolving Credit Facility \| Line of Credit \| Floating rate Revolving A Credit Facility due February 28, 2022
Debt Instrument [Line Items]
Line of credit capacity																$ 125,000,000
Commitment fee on unused capacity (as a percent)						0.25%	0.25%
Average daily revolving facility threshold						50.00%
Interest rate during period (as a percent)			3.26%	5.29%		3.83%	5.47%
Covenant borrowing threshold (less than)						$ 12,500,000
Revolving Credit Facility \| Line of Credit \| Floating rate Revolving A Credit Facility due February 28, 2022 \| Maximum
Debt Instrument [Line Items]
Commitment fee on unused capacity (as a percent)						0.375%
Revolving Credit Facility \| Line of Credit \| Revolving B Credit Facility
Debt Instrument [Line Items]
Line of credit capacity															$ 25,000,000
Revolving Credit Facility \| Line of Credit \| New ABL Facility [Member]
Debt Instrument [Line Items]
Fixed charge ratio			1.0			1.0						1.0
Line of Credit \| China Credit Facility
Debt Instrument [Line Items]
Aggregate principal amount													$ 3,000,000
Line of Credit \| Revolving Credit Facility \| China Credit Facility
Debt Instrument [Line Items]
Short-term borrowings			$ 1,980,000			$ 1,980,000