Short-Term Borrowings and Credit Arrangements - Revolving Credit Facility (Details)			1 Months Ended	12 Months Ended
	Mar. 07, 2019 USD ($) bank	Feb. 06, 2019 USD ($)	Nov. 30, 2018 USD ($)	Mar. 31, 2020	Mar. 31, 2019 USD ($)	Mar. 06, 2019 USD ($) bank	Oct. 31, 2018 USD ($)
ABL Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity	$ 125,000,000
Revolving credit facility agreement with number of banks | bank	3
Available borrowing capacity	$ 125,000,000
Reduction in borrowing capacity	15,000,000
Additional borrowing capacity	$ 25,000,000
Unused commitment fee percentage	0.25%
Prior Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity						$ 50,000,000
Revolving credit facility agreement with number of banks | bank						2
Minimum tangible net worth			$ 170,000,000
Interest rate coverage ratio			3.50
Prior Credit Facility, November 2018 Amendment
Line of Credit Facility [Line Items]
Stated percentage			0.95%
Interest rate coverage ratio			1.05
Low
Line of Credit Facility [Line Items]
Borrowing capacity					$ 50,000,000
Low | Prior Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity			$ 50,000,000				$ 50,000,000
Low | Minimum | Prior Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity			62,500,000
Low | Maximum | Prior Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity			125,000,000
Medium
Line of Credit Facility [Line Items]
Borrowing capacity					$ 100,000,000
Medium | Prior Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity							$ 100,000,000
Medium | Maximum | Prior Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity			125,000,000
Until January 31, 2019 | Prior Credit Facility, November 2018 Amendment
Line of Credit Facility [Line Items]
Borrowing capacity			100,000,000
From February 1, 2019 Until Expiration | Prior Credit Facility, November 2018 Amendment
Line of Credit Facility [Line Items]
Borrowing capacity			$ 50,000,000
Stated percentage			3.50%
November 1, 2018 To December 31, 2018 | Prior Credit Facility, November 2018 Amendment
Line of Credit Facility [Line Items]
Stated percentage			2.00%
January 1, 2019 To January 31, 2019 | Prior Credit Facility, November 2018 Amendment
Line of Credit Facility [Line Items]
Stated percentage			3.00%
Fiscal Quarter Ending June 30, 2019 | ABL Credit Facility
Line of Credit Facility [Line Items]
Fixed Charge Coverage Ratio	1.00
Fiscal Quarter Ending June 30, 2019 | Minimum | ABL Credit Facility
Line of Credit Facility [Line Items]
EBITDA	$ 4,310,000
Fiscal Quarter Ending September 30, 2019 | Minimum | ABL Credit Facility
Line of Credit Facility [Line Items]
EBITDA	10,193,000
Fiscal Quarter Ending December 31, 2019 | Minimum | ABL Credit Facility
Line of Credit Facility [Line Items]
EBITDA	20,012,000
Waiver Agreement | Prior Credit Facility
Line of Credit Facility [Line Items]
Minimum tangible net worth		$ 170,000,000
Interest rate coverage ratio		1.05
Payment of waiver fee		$ 225,000
Letters of Credit | ABL Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity	10,000,000
Swingline Loans | ABL Credit Facility
Line of Credit Facility [Line Items]
Borrowing capacity	$ 12,500,000
Federal Funds Rate | ABL Credit Facility
Line of Credit Facility [Line Items]
Variable rate	0.50%
LIBOR | ABL Credit Facility
Line of Credit Facility [Line Items]
Variable rate	1.00%
Forecast | LIBOR | ABL Credit Facility
Line of Credit Facility [Line Items]
Variable rate				2.50%
Forecast | Base Rate | ABL Credit Facility
Line of Credit Facility [Line Items]
Variable rate				1.50%