Consolidated Statements of Income - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Revenues:
Revenue from product and services	$ 3,367.3	$ 3,217.9	$ 3,058.8
Costs of revenues:
Amortization of intangible assets	318.5	319.4	297.1
Impairment of intangible assets and equipment	578.7	0.0	0.0
Gross Profit	1,170.9	1,696.7	1,621.0
Operating expenses:
Research and development	232.2	218.7	232.8
Selling and marketing	564.9	544.6	498.6
General and administrative	332.3	366.1	343.3
Amortization of intangible assets	52.0	59.3	62.5
Impairment of intangible assets and equipment	106.7	46.0	0.0
Goodwill impairment charge	0.0	685.7	0.0
Gain on sale of business	0.0	0.0	(899.7)
Restructuring charges	6.6	14.2	13.3
Operating expenses	1,294.7	1,934.6	250.8
Income (loss) from operations	(123.8)	(237.9)	1,370.2
Interest income	4.6	6.3	3.8
Interest expense	(140.8)	(148.7)	(153.2)
Debt extinguishment losses	(0.8)	(45.9)	(3.2)
Other income, net	3.1	7.6	12.9
(Loss) income before income taxes	(257.7)	(418.6)	1,230.5
(Benefit) provision for income taxes	(54.1)	(307.3)	475.0
Net (loss) income	$ (203.6)	$ (111.3)	$ 755.5
Net (loss) income per common share:
Basic (in dollars per share)	$ (0.76)	$ (0.40)	$ 2.70
Diluted (in dollars per share)	$ (0.76)	$ (0.40)	$ 2.64
Weighted average number of shares outstanding:
Basic (in shares)	269,413	275,105	279,811
Diluted (in shares)	269,413	275,105	285,653
Product
Revenues:
Revenue from product and services	$ 2,771.3	$ 2,643.9	$ 2,538.0
Costs of revenues:
Cost of goods and services sold	948.7	886.6	881.8
Service
Revenues:
Revenue from product and services	596.0	574.0	520.8
Costs of revenues:
Cost of goods and services sold	$ 350.5	$ 315.2	$ 258.9