Equity (Dividends Declared) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013
Equity [Abstract]
Dividend per share		$ 0.16	$ 0.16	$ 0.16	$ 0.16	$ 0.13	$ 0.13	$ 0.13
Dividend payable per share	$ 0.2
Record date	Nov. 12, 2015	Aug. 06, 2015	May 07, 2015	Feb. 05, 2015	Nov. 13, 2014	Aug. 07, 2014	May 08, 2014	Feb. 06, 2014
Total amount	$ 297.0	$ 239.0	$ 240.1	$ 240.1	$ 239.8	$ 195.3	$ 195.5	$ 196.4
Payment date	Nov. 27, 2015	Aug. 21, 2015	May 22, 2015	Feb. 20, 2015	Nov. 28, 2014	Aug. 22, 2014	May 23, 2014	Feb. 21, 2014