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Subsequent Event (Details) - USD ($) $ in Thousands	3 Months Ended
Subsequent Event (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Jan. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Goodwill			$ 271,893	$ 450,605	$ 497,162
Intangible Assets, Net (Excluding Goodwill)			$ 385,542	$ 440,281
R.S. Divestiture [Member] \| Discontinued Operations, Disposed of by Sale [Member] \| Subsequent Event
Subsequent Event [Line Items]
Disposal Group, Including Discontinued Operation, Consideration		$ 172,000
Forecast [Member] \| Minimum [Member] \| R.S. Divestiture [Member] \| Discontinued Operations, Disposed of by Sale [Member] \| Subsequent Event
Subsequent Event [Line Items]
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	$ 35,000
Forecast [Member] \| Maximum [Member] \| R.S. Divestiture [Member] \| Discontinued Operations, Disposed of by Sale [Member] \| Subsequent Event
Subsequent Event [Line Items]
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	$ 40,000