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Stockholders' Equity and Noncontrolling Interests - (Treasury Stock) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 04, 2020	Sep. 30, 2019	Oct. 04, 2020	Sep. 30, 2019	Mar. 31, 2020
Equity [Abstract]
Purchase of treasury stock (in shares)	0	581,140
Treasury stock purchased during period, value		$ 34,561	$ 0	$ 34,561
Treasury stock (in shares)	12,786,633		12,786,633		12,791,503
Treasury shares issued (in shares)			6,667
Treasury shares issued (in dollars per share)			$ 62.55

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Stock Issued During Period, Shares, Treasury Stock Reissued, Per Share

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The cash outflow to reacquire common stock during the period.

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Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Number of shares that have been repurchased during the period and are being held in treasury.

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