Fair Value Measurements (Tables)

3 Months Ended

6 Months Ended

Jan. 02, 2022

Mar. 28, 2021

Fair Value Disclosures [Abstract]

Assets And Liabilities Measured At Fair Value On A Recurring Basis

			Fair Value Measurements at Reporting Date Using
	Balance at January 2, 2022		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant  Other Observable Inputs (Level 2)		Significant Unobservable  Inputs (Level 3)
Assets:
Cash and cash equivalents	$	3,969.4	$	3,969.4	$	—	$	—
Short-term investments:
Available-for-sale debt securities
Commercial paper	3.5		—		3.5		—
Corporate debt securities	4.8		—		4.8		—
Mortgage and other asset-backed securities	0.1		—		0.1		—
Total available-for-sale debt securities	8.4		—		8.4		—
Marketable equity securities	79.0		79.0		—		—
Total short-term investments	87.4		79.0		8.4		—
Prepaid expenses and other current assets:
Derivative assets	154.4		123.6		30.8		—
Long-term investments:
Available-for-sale debt securities
Corporate debt securities	148.1		—		148.1		—
Foreign government obligations	4.0		—		4.0		—
Mortgage and other asset-backed securities	59.9		—		59.9		—
State and local government obligations	1.4		—		1.4		—
U.S. government treasury securities	86.2		86.2		—		—
Total long-term investments	299.6		86.2		213.4		—
Other long-term assets:
Derivative assets	98.0		—		98.0		—
Total assets	$	4,608.8	$	4,258.2	$	350.6	$	—
Liabilities:
Accrued liabilities:
Derivative liabilities	$	11.5	$	4.0	$	7.5	$	—
Other long-term liabilities:
Derivative liabilities	5.9		—		5.9		—
Total liabilities	$	17.4	$	4.0	$	13.4	$	—

			Fair Value Measurements at Reporting Date Using
	Balance at October 3, 2021		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable  Inputs (Level 3)
Assets:
Cash and cash equivalents	$	6,455.7	$	6,455.7	$	—	$	—
Short-term investments:
Available-for-sale debt securities
Commercial paper	63.0		—		63.0		—
Corporate debt securities	24.7		—		24.7		—
Mortgage and other asset-backed securities	0.1		—		0.1		—
Total available-for-sale debt securities	87.8		—		87.8		—
Marketable equity securities	74.4		74.4		—		—
Total short-term investments	162.2		74.4		87.8		—
Prepaid expenses and other current assets:
Derivative assets	147.6		131.1		16.5		—
Long-term investments:
Available-for-sale debt securities
Auction rate securities	6.0		—		—		6.0
Corporate debt securities	162.0		—		162.0		—
Foreign government obligations	4.0		—		4.0		—
Mortgage and other asset-backed securities	31.9		—		31.9		—
State and local government obligations	1.5		—		1.5		—
U.S. government treasury securities	76.3		76.3		—		—
Total long-term investments	281.7		76.3		199.4		6.0
Other long-term assets:
Derivative assets	84.3		—		84.3		—
Total assets	$	7,131.5	$	6,737.5	$	388.0	$	6.0
Liabilities:
Accrued liabilities:
Derivative liabilities	$	8.6	$	0.3	$	8.3	$	—
Other long-term liabilities:
Derivative liabilities	8.2		—		8.2		—
Total liabilities	$	16.8	$	0.3	$	16.5	$	—