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Discontinued Operations (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Mar. 30, 2018	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of discontinued operations, net of taxes		$ 0	$ 27,307
United Life | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, cash consideration	$ 280,000
Disposal group, adjustment to consideration	21
Proceeds from disposal of subsidiary	279,979
Gain on sale of discontinued operations, net of taxes	$ 27,307
Transition services agreement duration	24 months
Cash received as part of the TSA agreement				$ 584

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Period of expected continuing involvement with a discontinued operation after the disposal date, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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