Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 25, 2016	Mar. 27, 2015	Mar. 25, 2016	Mar. 27, 2015
Net sales	$ 918.0	$ 819.0	$ 1,832.8	$ 1,587.2
Cost of sales	438.4	356.1	861.5	719.5
Gross profit	479.6	462.9	971.3	867.7
Selling, general and administrative expenses	231.2	308.4	473.7	532.5
Research and development expenses	58.6	58.0	122.2	110.7
Restructuring charges, net	8.7	3.5	15.0	10.7
Non-restructuring impairment charges	16.9	0.0	16.9	0.0
Gains on divestiture and license	(0.2)	(0.9)	(0.3)	(1.7)
Operating income	164.4	93.9	343.8	215.5
Interest expense	(97.2)	(57.4)	(195.0)	(106.2)
Interest income	0.2	0.4	0.4	0.5
Other income (loss), net	(0.7)	4.2	1.3	8.4
Income from continuing operations before income taxes	66.7	41.1	150.5	118.2
Income tax benefit	(53.6)	(34.1)	(85.7)	(44.4)
Income from continuing operations	120.3	75.2	236.2	162.6
Income (loss) from discontinued operations, net of income taxes	(2.0)	23.6	93.2	28.9
Net income	$ 118.3	$ 98.8	$ 329.4	$ 191.5
Basic earnings (loss) per share (Note 7):
Income from continuing operations per share	$ 1.08	$ 0.64	$ 2.09	$ 1.40
Income (loss) from discontinued operations, per share	(0.02)	0.20	0.82	0.25
Net income, per share	$ 1.06	$ 0.85	$ 2.91	$ 1.65
Basic weighted-averaged shares outstanding (in shares)	111.1	115.6	113.2	115.2
Diluted earnings (loss) per share (Note 7):
Income from continuing operations, per share	$ 1.07	$ 0.64	$ 2.07	$ 1.38
Income (loss) from discontinued operations, per share	(0.02)	0.20	0.82	0.25
Net income, per share	$ 1.06	$ 0.84	$ 2.88	$ 1.62
Diluted weighted-average shares outstanding (in shares)	112.0	117.2	114.2	116.8