Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Dec. 26, 2015	Dec. 27, 2014
OPERATING ACTIVITIES
Net income	$ 84.9	$ 29.2
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	19.9	20.3
Amortization	96.0	101.7
Non-cash interest expense	13.2	16.7
Stock-based compensation expense	15.9	12.1
Excess tax benefit related to equity awards	(7.1)	(3.0)
Deferred income taxes	(28.0)	(30.5)
Gain (Loss) on Disposition of Intangible Assets	(25.1)	0.0
Debt extinguishment loss	0.0	6.7
Loss on disposal of property and equipment	1.3	1.7
Other adjustments and non-cash items	(1.5)	1.2
Changes in operating assets and liabilities:
Accounts receivable	4.3	(9.7)
Inventories	(3.6)	18.7
Prepaid income taxes	21.7	22.4
Prepaid expenses and other assets	(7.7)	(3.0)
Accounts payable	(4.9)	(24.8)
Accrued expenses and other liabilities	(9.8)	(5.0)
Deferred revenue	(5.2)	(1.2)
Net cash provided by operating activities	164.3	153.5
INVESTING ACTIVITIES
Purchase of property and equipment	(9.1)	(10.8)
Increase in equipment under customer usage agreements	(10.6)	(10.3)
Proceeds from Sale of Available-for-sale Securities	31.1	0.0
Purchases of insurance contracts	0.0	(6.4)
Sales of mutual funds	0.0	6.4
Increase in other assets	0.9	(0.9)
Net cash provided by (used in) investing activities	12.3	(22.0)
FINANCING ACTIVITIES
Repayment of long-term debt	(18.8)	(328.8)
Repayments of Convertible Debt	(0.1)	0.0
Net proceeds from issuance of common stock pursuant to employee stock plans	11.1	15.2
Excess tax benefit related to equity awards	7.1	3.0
Payment of minimum tax withholdings on net share settlements of equity awards	(14.9)	(10.6)
Net cash used in financing activities	(15.6)	(321.2)
Effect of exchange rate changes on cash and cash equivalents	(2.0)	(2.4)
Net increase (decrease) in cash and cash equivalents	159.0	(192.1)
Cash and cash equivalents, beginning of period	491.3	736.1
Cash and cash equivalents, end of period	$ 650.3	$ 544.0