Consolidated Statement of Income (Unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Income Statement [Abstract]
Provision for (Benefit from) Income Taxes on Income (Loss) from Discontinued Operations	$ (0.7)	$ 1.0	$ (0.7)	$ 1.0

Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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