Acquisitions (Details) - USD ($)
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2 Months Ended |
3 Months Ended |
12 Months Ended |
33 Months Ended |
Jan. 19, 2018 |
Jan. 11, 2017 |
Mar. 31, 2018 |
Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2017 |
Dec. 31, 2019 |
| Business Acquisition |
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| Goodwill |
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$ 887,800,000
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$ 887,800,000
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$ 884,900,000
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| Revenue, Net |
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178,500,000
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$ 168,300,000
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| Loss from continuing operations |
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$ (400,000)
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$ (5,000,000)
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| Loss from continuing operations, per basic share |
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$ 0.00
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$ (0.06)
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| Loss from continuing operations, per diluted share |
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$ 0.00
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$ (0.06)
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| Compex Corporation |
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| Business Acquisition |
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| Payments to Acquire Businesses, Gross |
$ 16,000,000
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| Business Combination, Consideration Transferred |
18,700,000
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| Business Combination, Consideration Transferred, Other |
600,000
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| Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |
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2,600,000
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| Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |
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$ 200,000
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| Cash |
200,000
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| Receivables |
1,700,000
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| Inventories |
2,100,000
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| Property, plant, and equipment |
2,100,000
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| Business Combination, Contingent Consideration, Asset, Noncurrent |
200,000
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| Goodwill |
2,900,000
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| Assumed current liabilities |
(200,000)
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| Total purchase price |
18,700,000
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| Business Acquisition, Goodwill, Expected Tax Deductible Amount |
0
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| Business Acquisition, Pro Forma Revenue |
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$ 179,100,000
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$ 171,200,000
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| Business Acquisition, Pro Forma Net Income (Loss) |
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$ 0
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$ (4,400,000)
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| Business Acquisition, Pro Forma Earnings Per Share, Basic |
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$ 0.00
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$ (0.05)
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| Business Acquisition, Pro Forma Earnings Per Share, Diluted |
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$ 0.00
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$ (0.05)
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| 17Q1 Capacitor Acquisition |
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| Business Acquisition |
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| Payments to Acquire Businesses, Gross |
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$ 3,700,000
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$ 2,500,000
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| Scenario, Forecast | 17Q1 Capacitor Acquisition |
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| Business Acquisition |
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| Payments to Acquire Businesses, Gross |
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$ 1,200,000
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| Customer relationships | Compex Corporation |
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| Business Acquisition |
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| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
$ 7,300,000
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| Finite-Lived Intangible Asset, Useful Life |
10 years
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| Unpatented technologies | Compex Corporation |
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| Business Acquisition |
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| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
$ 2,000,000
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| Finite-Lived Intangible Asset, Useful Life |
8 years
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| Trademarks | Compex Corporation |
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| Business Acquisition |
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| Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |
$ 400,000
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| Finite-Lived Intangible Asset, Useful Life |
5 years
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| Other liabilities | Compex Corporation |
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| Business Acquisition |
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| Payments to Acquire Businesses, Gross |
$ 1,000,000
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