Assets and Liabilities Measured at Fair Value on a Recurring Basis (in millions):



			Fair Value Measurements at Reporting Date Using
	Balance at Jan 1, 2017		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	$	2,034.6	$	2,034.6	$	—	$	—
Short-term investments:
Available-for-sale securities
Agency obligations	1.3		—		1.3		—
Commercial paper	5.6		—		5.6		—
Corporate debt securities	20.5		—		20.5		—
Foreign government obligations	4.6		—		4.6
U.S. government treasury securities	28.8		28.8		—		—
State and local government obligations	0.5		—		0.5		—
Certificates of deposit	9.4		—		9.4		—
Total available-for-sale securities	70.7		28.8		41.9		—
Trading securities	70.1		70.1		—		—
Total short-term investments	140.8		98.9		41.9		—
Prepaid expenses and other current assets:
Derivative assets	85.8		3.3		82.5		—
Long-term investments:
Available-for-sale securities
Agency obligations	54.5		—		54.5		—
Corporate debt securities	515.9		—		515.9		—
Auction rate securities	5.7		—		—		5.7
Foreign government obligations	59.5		—		59.5		—
U.S. government treasury securities	355.3		355.3		—		—
State and local government obligations	83.6		—		83.6		—
Mortgage and other asset-backed securities	203.8		—		203.8		—
Total long-term investments	1,278.3		355.3		917.3		5.7
Other long-term assets:
Derivative assets	46.5		—		46.5		—
Total assets	$	3,586.0	$	2,492.1	$	1,088.2	$	5.7
Liabilities:
Accrued liabilities:
Derivative liabilities	$	13.5	$	—	$	13.5	$	—
Other long-term liabilities:
Derivative liabilities	9.2		—		9.2		—
Total liabilities	$	22.7	$	—	$	22.7	$	—



			Fair Value Measurements at Reporting Date Using
	Balance at Oct 2, 2016		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	$	2,128.8	$	2,128.8	$	—	$	—
Short-term investments:
Available-for-sale securities
Agency obligations	1.3		—		1.3		—
Commercial paper	2.6		—		2.6		—
Corporate debt securities	34.2		—		34.2		—
Foreign government obligations	5.5		—		5.5		—
U.S. government treasury securities	15.8		15.8		—		—
State and local government obligations	0.5		—		0.5		—
Certificates of deposit	5.8		—		5.8		—
Total available-for-sale securities	65.7		15.8		49.9		—
Trading securities	68.7		68.7		—		—
Total short-term investments	134.4		84.5		49.9		—
Prepaid expenses and other current assets:
Derivative assets	27.7		3.1		24.6		—
Long-term investments:
Available-for-sale securities
Agency obligations	44.4		—		44.4		—
Corporate debt securities	459.3		—		459.3		—
Auction rate securities	5.7		—		—		5.7
Foreign government obligations	46.7		—		46.7		—
U.S. government treasury securities	358.2		358.2		—		—
State and local government obligations	57.5		—		57.5		—
Mortgage and other asset-backed securities	169.9		—		169.9		—
Total long-term investments	1,141.7		358.2		777.8		5.7
Other long-term assets:
Derivative assets	6.4		—		6.4		—
Total assets	$	3,439.0	$	2,574.6	$	858.7	$	5.7
Liabilities:
Accrued liabilities:
Derivative liabilities	$	18.0	$	1.7	$	16.3	$	—
Other long-term liabilities:
Derivative liabilities	71.6		—		71.6		—
Total	$	89.6	$	1.7	$	87.9	$	—