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Outstanding inter-company loans.

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Short-term intercompany loans.

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Date the financial instrument was issued in exchange for the original debt being converted in a noncash or part noncash transaction, in CCYY-MM-DD format.

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

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

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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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Note 1 - Basis of Presentation and Recent Accounting Pronouncements (Details Textual) $ / shares in Units, $ in Millions				6 Months Ended		12 Months Ended
	Jul. 29, 2020 USD ($) d $ / shares shares	Jul. 27, 2020 shares	May 12, 2020 USD ($)	Jun. 30, 2020 USD ($) $ / shares	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) $ / shares	Aug. 03, 2020 USD ($)	May 20, 2019 USD ($) $ / shares
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Cash And Cash Equivalents				$ 180.0		$ 233.0
Outstanding inter-company loans				429.0		408.0
Short-Term Intercompany Loans				130.0		110.0
Net increase (decrease) in cash, cash equivalents, restricted cash and cash in assets held for sale				(78.0)	$ (9.0)	23.0
Net cash (used in) provided by operating activities				$ (64.0)	$ (13.0)	$ 12.0
Inter-company transactions amount transferred			$ 70.0
Common stock, par value \| $ / shares				$ 0.01		$ 0.01		$ 0.01
Share-based compensation arrangement by share-based payment award, award vesting rights				The terms of 1.8 million of the options awarded on July 27, 2020 provide for immediate vesting or vesting upon conversion of the Notes. The terms of 0.6 million of those options provide for vesting terms of between two and three years. As 95% of the Notes were converted on August 3, 2020, 1.7 million of the 1.8 million options with the accelerated vesting terms (all the options which vested immediately and 95% of the of the options that vested upon conversion of the Notes) vested by August 3, 2020.
Minimum [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				2 years
Maximum [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
5.00% Secured Convertible Notes Due 2021 [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Secured convertible notes, interest rate								5.00%
Secured convertible notes, due				2021
Secured convertible notes								$ 100.0
Converted notes, conversion date				Jul. 29, 2020
Conversion shares, issuance date				Aug. 03, 2020
Subsequent Event [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Share-based compensation arrangement by share-based payment award, stock options, grants \| shares		2,400,000
Share-based compensation arrangement by share-based payment award, award vesting, percentage		95.00%
Share-based compensation arrangement by share-based payment award, accelerated vesting, number \| shares		1,700,000
Subsequent Event [Member] \| Share-based Payment Arrangement, Tranche One [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Share-based compensation arrangement by share-based payment award, stock options, grants \| shares		1,800,000
Subsequent Event [Member] \| Share-based Payment Arrangement, Tranche Two [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Share-based compensation arrangement by share-based payment award, stock options, grants \| shares		600,000
Subsequent Event [Member] \| 5.00% Secured Convertible Notes Due 2021 [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Secured convertible notes, interest rate	5.00%
Secured convertible notes	$ 95.0						$ 5.0
Common stock, par value \| $ / shares	$ 0.01
Debt instrument convertible trading days \| d	5
Accumulated interest on converted notes	$ 5.6
Common Stock [Member] \| Subsequent Event [Member] \| 5.00% Secured Convertible Notes Due 2021 [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Conversion of notes, shares issued \| shares	29,922,956
ABL Credit Agreement [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Long-term line of credit				$ 80.0		$ 80.0
Debt instrument, maturity date				May 26, 2021
5.50% Series A Convertible Preferred Stock [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Secured convertible notes, interest rate				5.50%
United States [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Cash And Cash Equivalents				$ 95.0		72.0
Outside US [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Cash And Cash Equivalents				85.0		161.0
China [Member]
Basis Of Presentation And Recent Accounting Pronouncements [Line Items]
Cash And Cash Equivalents				$ 23.0		$ 89.0