Business Segments and Geographic Information - Schedule of Geographically Located Property and Equipment, Net (Details) - USD ($) $ in Millions	Sep. 26, 2015	Sep. 27, 2014	Sep. 28, 2013
Geographic Information For Property Plant And Equipment [Line Items]
Property, plant and equipment, net	$ 457.1	$ 461.9	$ 491.5
United States [Member]
Geographic Information For Property Plant And Equipment [Line Items]
Property, plant and equipment, net	369.1	366.8	386.0
Costa Rica [Member]
Geographic Information For Property Plant And Equipment [Line Items]
Property, plant and equipment, net	27.7	27.9	29.3
Europe [Member]
Geographic Information For Property Plant And Equipment [Line Items]
Property, plant and equipment, net	50.8	56.0	61.5
All Other Countries [Member]
Geographic Information For Property Plant And Equipment [Line Items]
Property, plant and equipment, net	$ 9.5	$ 11.2	$ 14.7