Financing Arrangements and Fair Value of Financial Instruments - Narrative (Details)	1 Months Ended	3 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2020 USD ($) trading_day $ / shares	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2016 USD ($)	May 31, 2016 USD ($)
Debt Instrument [Line Items]
Principal amount outstanding		$ 172,207,000		$ 172,164,000
Long-term debt, excluding current maturities		155,965,000		153,538,000
Unamortized debt discount and debt issuance costs		9,261,000		12,291,000
Loss on extinguishment of debt		915,000	$ 0
Current debt		6,981,000		6,335,000
Foreign operations
Debt Instrument [Line Items]
Current debt		$ 6,700,000		4,800,000
Senior notes
Debt Instrument [Line Items]
Debt instrument, convertible, threshold trading days | trading_day		20
Debt instrument, convertible, threshold consecutive trading days | trading_day		30
Conversion price percentage		130.00%
Business day period		5 days
Consecutive trading day period		5 days
Debt conversion, principal amount as basis for conversion rate		$ 1,000
Percent threshold last reported sale price		98.00%
Interest rate, effective percentage		11.30%
Convertible Notes
Debt Instrument [Line Items]
Repurchased face amount		$ 14,500,000		0
Repurchase amount		13,800,000
Loss on extinguishment of debt		900,000
Convertible Notes | Senior notes
Debt Instrument [Line Items]
Debt instrument, face amount					$ 100,000,000.0
Principal amount outstanding		$ 85,500,000		100,000,000
Interest rate, stated percentage					4.00%
Debt instrument, convertible, conversion price (in dollars per share) | $ / shares		$ 9.33
Unamortized debt discount and debt issuance costs		$ 9,261,000		12,291,000
Convertible debt, fair value		$ 63,800,000		101,400,000
Convertible Notes | Revolving credit facility
Debt Instrument [Line Items]
Fixed charge coverage ratio, amount						$ 25,000,000.0
ABL Facility | Federal Funds Rate
Debt Instrument [Line Items]
Base rate basis spread on variable rate	0.50%
ABL Facility | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Base rate basis spread on variable rate	1.00%
Basis spread on variable rate		1.50%
ABL Facility | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.50%
ABL Facility | Minimum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
ABL Facility | Minimum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
ABL Facility | Maximum | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
ABL Facility | Maximum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
ABL Facility | Revolving credit facility
Debt Instrument [Line Items]
Principal amount outstanding		$ 79,000,000		$ 65,000,000
Maximum borrowing capacity	$ 200,000,000.0	151,000,000.0	200,000,000.0
Maximum borrowing capacity, maximum	$ 275,000,000.0		$ 275,000,000.0
Drawn		79,000,000.0
Remaining borrowing capacity		$ 72,000,000.0
Fixed charge coverage ratio, amount						22,500,000
Debt, weighted average interest rate		2.40%
Unused capacity, commitment fee percentage		0.375%
Covenant terms acceleration of other indebtedness						$ 25,000,000.0
ABL Facility | Revolving credit facility | Minimum
Debt Instrument [Line Items]
Unused capacity, commitment fee percentage		0.25%
ABL Facility | Revolving credit facility | Maximum
Debt Instrument [Line Items]
Unused capacity, commitment fee percentage		0.375%
Credit Agreement | Domestic Line of Credit
Debt Instrument [Line Items]
Letters of credit outstanding, amount		$ 49,800,000
Restricted cash and cash equivalents, current		7,600,000
Convertible debt, debt component
Debt Instrument [Line Items]
Long-term debt, excluding current maturities		76,200,000
Unamortized debt discount and debt issuance costs		$ 9,300,000