Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 02, 2016	Mar. 28, 2015
Net sales	$ 1,383.2	$ 1,049.1
Cost of sales	860.3	670.3
Gross profit	522.9	378.8
Operating expenses
Distribution	21.8	14.7
Research and development	45.3	35.4
Selling	180.8	48.8
Administration	106.4	79.6
Impairment charges	467.0	0.0
Restructuring	5.4	1.1
Total operating expenses	826.7	179.6
Operating income (loss)	(303.8)	199.2
Interest expense, net	51.2	43.3
Other expense, net	3.8	258.6
Loss on extinguishment of debt	(0.4)	0.0
Loss before Income Taxes	(359.2)	(102.7)
Income tax benefit	(24.6)	(7.8)
Net loss	$ (334.6)	$ (94.9)
Loss Per Share [Abstract]
Basic loss per share	$ (2.34)	$ (0.67)
Diluted loss per share	$ (2.34)	$ (0.67)
Weighted average shares outstanding
Basic	143.2	140.8
Diluted	143.2	140.8
Dividends declared per share	$ 0.145	$ 0.125