Financing Arrangements and Fair Value of Financial Instruments - Narrative (Details)			1 Months Ended			3 Months Ended
	May 02, 2022 USD ($)	Feb. 28, 2021 USD ($)	Apr. 30, 2022 GBP (£)	Dec. 31, 2021 USD ($)	Aug. 31, 2021 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	May 04, 2022	May 02, 2022 GBP (£)	Apr. 30, 2022 USD ($)	Apr. 30, 2022 GBP (£)	Feb. 28, 2021 GBP (£)	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Purchases of Convertible Notes						$ 0	$ 18,107,000
Loss on extinguishment of debt						0	790,000
Borrowings on lines of credit						69,188,000	51,922,000
Letters of credit outstanding, amount						47,000,000
Proceeds from financing obligation					$ 7,900,000
Principal amount outstanding				$ 114,991,000		116,397,000
Long-term debt				114,803,000		116,242,000
Current debt				19,210,000		20,767,000
Restricted cash and cash equivalents, current						4,800,000
Foreign operations
Debt Instrument [Line Items]
Current debt				11,800,000		14,500,000
Subsequent event | Foreign operations
Debt Instrument [Line Items]
Long-term debt | £									£ 11,200,000
Revolving credit facility | U.K. Subsidiary
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 8,300,000										£ 6,000,000
Quarterly principal payment		375,000
Balloon payment		$ 1,500,000
Long-term debt						5,400,000
Revolving credit facility | U.K. Subsidiary | Subsequent event
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 2,600,000	£ 2,000,000
Quarterly principal payment | £			£ 350,000
Balloon payment | £											2,800,000
Revolving credit facility | SONIA member | U.K. Subsidiary
Debt Instrument [Line Items]
Basis spread on variable rate		3.50%
Revolving credit facility | SONIA member | U.K. Subsidiary | Subsequent event
Debt Instrument [Line Items]
Basis spread on variable rate			3.25%
Convertible Notes due 2021
Debt Instrument [Line Items]
Purchases of Convertible Notes				38,600,000
Repurchased face amount							18,300,000
Cost of repurchase							18,100,000
Loss on extinguishment of debt							$ 800,000
Convertible Notes due 2021 | Senior notes
Debt Instrument [Line Items]
Debt instrument, face amount													$ 100,000,000
Interest rate, stated percentage													4.00%
ABL Facility | Revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity						200,000,000
Maximum borrowing capacity, option to increase						275,000,000
Borrowings on lines of credit						87,900,000
Letters of credit outstanding, amount						1,100,000
Current borrowing capacity						116,000,000
Remaining borrowing capacity						$ 27,000,000
Unused capacity, commitment fee percentage						0.375%
Debt, weighted average interest rate						1.90%
Principal amount outstanding				86,500,000		$ 87,900,000
Long-term debt				86,500,000		87,900,000
ABL Facility | Revolving credit facility | Subsequent event
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 175,000,000
Maximum borrowing capacity, option to increase	250,000,000
Borrowings on lines of credit	$ 94,100,000
Debt instrument, term	5 years
Letters of credit outstanding, amount	$ 1,100,000
Current borrowing capacity	133,500,000
Remaining borrowing capacity	$ 38,400,000
Unused capacity, commitment fee percentage	0.375%
Threshold for commitment fee	50.00%								50.00%
Average daily unused portion, commitment fee	0.25%								0.25%
Fixed charge coverage ratio								1.00
Line of credit facility, covenant, minimum, fixed charge leverage ratio								4.00
ABL Facility | Revolving credit facility | Base Rate | Minimum | Subsequent event
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
ABL Facility | Revolving credit facility | Base Rate | Maximum | Subsequent event
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
ABL Facility | Revolving credit facility | Fed Funds Effective Rate Overnight Index Swap Rate | Subsequent event
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
ABL Facility | Revolving credit facility | BSBY | Subsequent event
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
ABL Facility | Revolving credit facility | BSBY | Minimum | Subsequent event
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
ABL Facility | Revolving credit facility | BSBY | Maximum | Subsequent event
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Financing obligations
Debt Instrument [Line Items]
Debt, weighted average interest rate					5.40%
Principal amount outstanding				6,688,000		5,838,000
Long-term debt				6,610,000		5,772,000
Term loan | Revolving credit facility
Debt Instrument [Line Items]
Principal amount outstanding				6,094,000		5,443,000
Long-term debt				$ 5,984,000		$ 5,354,000
Term loan | Secured Debt | U.K. Subsidiary | Subsequent event
Debt Instrument [Line Items]
Debt instrument, face amount										$ 9,100,000	£ 7,000,000