Equity (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Equity, Class of Treasury Stock [Line Items]
Cost of shares repurchased	$ 1.6	$ 251.6	$ 35.5	$ 442.7
Stock Repurchase Program, Authorized Amount		$ 600.0		600.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 580.0		580.0
General repurchase program [Member]
Equity, Class of Treasury Stock [Line Items]
Cost of shares repurchased			$ 0.0	$ 400.0
Number of shares repurchased			0.0	4.0
Withholding in satisfaction of taxes on vested equity award [Member]
Equity, Class of Treasury Stock [Line Items]
Cost of shares repurchased			$ 35.5	$ 42.7
Number of shares repurchased			0.5	0.4