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Valuation and Qualifying Accounts Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017
Deferred tax asset—valuation allowance |  |  |
Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | $ 15,255 | $ 27,053 | $ 25,416
Additions Charged to Expense | 2,978 | 4,853 | 4,305
Charge-Offs | (99) | (14,132) | (2,255)
Business Combination Adjustments | 1,157 | 0 | 0
Other | (1,772) | (2,519) | (413)
Balance at End of Period | 17,519 | 15,255 | 27,053
Allowance for doubtful accounts |  |  |
Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | 12,643 | 12,662 | 11,393
Additions Charged to Expense | 1,385 | 822 | 1,794
Charge-Offs | (2,459) | (1,400) | (173)
Other | (756) | 559 | (352)
Balance at End of Period | $ 10,813 | $ 12,643 | $ 12,662

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- Definition Valuation Allowances and Reserves, Acquisitions + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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