Consolidated Statements of Equity (Unaudited) - USD ($) shares in Millions, $ in Millions		Total	Common Stock [Member]		Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI [Member]	[2]
Beginning balance, shares at Mar. 30, 2019			128.8	[1]			50.7
Beginning balance at Mar. 30, 2019		$ 3,287.2	$ 1.3	[1]	$ 2,493.8	$ 5,979.1	$ (5,083.6)	$ (103.4)
Comprehensive Income
Net income (loss)		299.2				299.2
Other comprehensive income (loss)		(12.0)						(12.0)
Total comprehensive income (loss)		287.2
Dividends declared		(104.4)				(104.4)
Repurchases of common stock, shares							4.4
Repurchases of common stock		(442.7)					$ (442.7)
Stock-based compensation		50.8			50.8
Shares issued pursuant to stock-based compensation plans, shares	[1]		0.9
Shares issued pursuant to stock-based compensation plans		0.0	$ 0.0	[1]	0.0
Cumulative adjustment from adoption of new accounting standards		(164.5)				(164.5)
Ending balance, shares at Sep. 28, 2019			129.7	[1]			55.1
Ending balance at Sep. 28, 2019		2,913.6	$ 1.3	[1]	2,544.6	6,009.4	$ (5,526.3)	(115.4)
Beginning balance, shares at Jun. 29, 2019			129.6	[1]			52.4
Beginning balance at Jun. 29, 2019		3,012.8	$ 1.3	[1]	2,516.8	5,878.6	$ (5,274.7)	(109.2)
Comprehensive Income
Net income (loss)		182.1				182.1
Other comprehensive income (loss)		(6.2)						(6.2)
Total comprehensive income (loss)		175.9
Dividends declared		(51.3)				(51.3)
Repurchases of common stock, shares							2.7
Repurchases of common stock		(251.6)					$ (251.6)
Stock-based compensation		27.8			27.8
Shares issued pursuant to stock-based compensation plans, shares	[1]		0.1
Shares issued pursuant to stock-based compensation plans		0.0	$ 0.0	[1]	0.0
Ending balance, shares at Sep. 28, 2019			129.7	[1]			55.1
Ending balance at Sep. 28, 2019		2,913.6	$ 1.3	[1]	2,544.6	6,009.4	$ (5,526.3)	(115.4)
Beginning balance, shares at Mar. 28, 2020			129.8	[1]			57.3
Beginning balance at Mar. 28, 2020		2,693.1	$ 1.3	[1]	2,594.4	5,994.0	$ (5,778.4)	(118.2)
Comprehensive Income
Net income (loss)		(166.8)				(166.8)
Other comprehensive income (loss)		18.7						18.7
Total comprehensive income (loss)		(148.1)
Dividends declared		0.0				0.0
Repurchases of common stock, shares							0.5
Repurchases of common stock		(35.5)					$ (35.5)
Stock-based compensation		34.6			34.6
Shares issued pursuant to stock-based compensation plans, shares	[1]		1.1
Shares issued pursuant to stock-based compensation plans		0.0	$ 0.0	[1]	0.0
Ending balance, shares at Sep. 26, 2020			130.9	[1]			57.8
Ending balance at Sep. 26, 2020		2,544.1	$ 1.3	[1]	2,629.0	5,827.2	$ (5,813.9)	(99.5)
Beginning balance, shares at Jun. 27, 2020			130.9	[1]			57.8
Beginning balance at Jun. 27, 2020		2,555.5	$ 1.3	[1]	2,609.5	5,866.3	$ (5,812.3)	(109.3)
Comprehensive Income
Net income (loss)		(39.1)				(39.1)
Other comprehensive income (loss)		9.8						9.8
Total comprehensive income (loss)		(29.3)
Dividends declared		0.0				0.0
Repurchases of common stock, shares							0.0
Repurchases of common stock		(1.6)					$ (1.6)
Stock-based compensation		19.5			19.5
Ending balance, shares at Sep. 26, 2020			130.9	[1]			57.8
Ending balance at Sep. 26, 2020		$ 2,544.1	$ 1.3	[1]	$ 2,629.0	$ 5,827.2	$ (5,813.9)	$ (99.5)

[1] ^(a)  Includes Class A and Class B common stock. During the six months ended September 28, 2019, 1.0 million shares of Class B common stock were converted into an equal number of shares of Class A common stock pursuant to the terms of the Class B common stock (see Note 14).

[2] ^(b)  Accumulated other comprehensive income (loss).