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v3.20.1

Debt (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2020
Debt Instrument [Line Items] |  |
Document Fiscal Year (linked throughout the document) - not tagged |  | 2020
Accumulated amortization balances | $ 4,547,000 | $ 6,645,000
Debt Instrument, Term |  | 7 years
Line of Credit Facility, Expiration Period |  | 5 years
Long-term Debt, Gross | 310,463,000 | $ 259,350,000
Outstanding borrowings | (10,143,000) | (8,044,000)
Long-term Debt | 300,320,000 | 251,306,000
Current portion of long-term debt | 65,000,000 | 4,450,000
Long-term Debt, Excluding Current Maturities | 235,320,000 | 246,856,000
Maturities of Long-term Debt [Abstract] |  |
2015 |  | 4,450,000
2016 |  | 4,450,000
2017 |  | 4,450,000
2018 |  | 246,000,000
Thereafter |  | 0
STAHL [Member] | New Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Accumulated amortization balances | 1,209,000 | 1,766,000
STAHL [Member] | Other Current Liabilities [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Periodic Payment, Principal | $ 65,000,000 | $ 51,113,000

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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