Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 25, 2016
Net sales	$ 810.9	$ 815.8
Cost of sales	392.3	390.7
Gross profit	418.6	425.1
Selling, general and administrative expenses	308.1	209.3
Research and development expenses	62.2	58.1
Restructuring charges, net	17.2	8.4
Non-restructuring impairment charges	0.0	16.9
Gains on divestiture and license	(59.1)	0.0
Operating income	90.2	132.4
Interest expense	(94.2)	(97.2)
Interest income	0.9	0.2
Other expense, net	(7.5)	(0.7)
Loss (income) from continuing operations before income taxes	(10.6)	34.7
Income tax benefit	(39.5)	(63.8)
Income from continuing operations	28.9	98.5
Income from discontinued operations, net of income taxes	370.3	19.8
Net income	$ 399.2	$ 118.3
Basic earnings per share (Note 7):
Income from continuing operations per share	$ 0.28	$ 0.89
Income from discontinued operations	3.58	0.18
Net income, per share	$ 3.86	$ 1.06
Basic weighted-averaged shares outstanding (in shares)	103.3	111.1
Diluted earnings per share (Note 7):
Income from continuing operations, per share	$ 0.28	$ 0.88
Income from discontinued operations	3.57	0.18
Net income, per share	$ 3.85	$ 1.06
Diluted weighted-average shares outstanding (in shares)	103.6	112.0