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



			Fair Value Measurements at Reporting Date Using
	Balance at Dec 27, 2015		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	$	2,263.5	$	2,263.5	$	—	$	—
Short-term investments:
Available-for-sale securities
Corporate debt securities	5.6		—		5.6		—
Equity securities	28.6		—		28.6		—
Foreign government obligations	6.0		—		6.0		—
U.S. government treasury securities	6.6		6.6		—		—
Total available-for-sale securities	46.8		6.6		40.2		—
Trading securities	69.6		69.6		—		—
Total short-term investments	116.4		76.2		40.2		—
Prepaid expenses and other current assets:
Derivative assets	54.7		—		54.7		—
Long-term investments:
Available-for-sale securities
Agency obligations	4.8		—		4.8		—
Corporate debt securities	138.4		—		138.4		—
Auction rate securities	5.7		—		—		5.7
Foreign government obligations	14.5		—		14.5		—
U.S. government treasury securities	146.6		146.6		—		—
State and local government obligations	8.6		—		8.6		—
Mortgage and other asset-backed securities	48.3		—		48.3		—
Total long-term investments	366.9		146.6		214.6		5.7
Other long-term assets:
Derivative assets	50.1		—		50.1		—
Total assets	$	2,851.6	$	2,486.3	$	359.6	$	5.7
Liabilities:
Accrued liabilities:
Derivative liabilities	$	27.5	$	6.5	$	21.0	$	—
Other long-term liabilities:
Derivative liabilities	14.2		—		14.2		—
Total liabilities	$	41.7	$	6.5	$	35.2	$	—



			Fair Value Measurements at Reporting Date Using
	Balance at Sep 27, 2015		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	$	1,530.1	$	1,530.1	$	—	$	—
Short-term investments:
Available-for-sale securities
Corporate debt securities	10.2		—		10.2		—
Foreign government obligations	2.0		—		2.0		—
State and local government obligations	3.3		—		3.3		—
Total available-for-sale securities	15.5		—		15.5		—
Trading securities	65.8		65.8		—		—
Total short-term investments	81.3		65.8		15.5		—
Prepaid expenses and other current assets:
Derivative assets	50.8		—		50.8		—
Long-term investments:
Available-for-sale securities
Agency obligations	8.6		—		8.6		—
Corporate debt securities	121.8		—		121.8		—
Auction rate securities	5.9		—		—		5.9
Foreign government obligations	18.5		—		18.5		—
U.S. government treasury securities	104.8		104.8		—		—
State and local government obligations	9.7		—		9.7		—
Mortgage and other asset-backed securities	43.2		—		43.2		—
Total long-term investments	312.5		104.8		201.8		5.9
Other long-term assets:
Derivative assets	54.7		—		54.7		—
Total assets	$	2,029.4	$	1,700.7	$	322.8	$	5.9
Liabilities:
Accrued liabilities:
Derivative liabilities	$	19.2	$	3.6	$	15.6	$	—
Other long-term liabilities:
Derivative liabilities	14.5		—		14.5		—
Total	$	33.7	$	3.6	$	30.1	$	—