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Divestitures Disposals (Details) - USD ($)	3 Months Ended								12 Months Ended
Divestitures Disposals (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 189,486,000	$ 199,355,000	$ 207,609,000	$ 212,712,000	$ 216,733,000	$ 217,415,000	$ 217,142,000	$ 224,992,000	$ 809,162,000	$ 876,282,000	$ 839,419,000
Gain (Loss) on Disposition of Business									(176,000)	(25,672,000)	0
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax										34,195,000	38,299,000
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest										(3,623,000)	$ 1,373,000
Sarasota [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (Loss) on Disposition of Business	$ 44,000								1,059,000
Other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill, Impairment Loss									6,174,000
United States
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs									2,958,000	$ 1,473,000
Asia Pacific [Member] \| Cost of Sales [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs									1,455,000
Asia Pacific [Member] \| Selling and Marketing Expense [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business Exit Costs									$ 296,000