XML 36 R31.htm IDEA: XBRL DOCUMENT v3.2.0.727
Basis of Presentation (Details) - reporting_segment
3 Months Ended 6 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Jun. 27, 2015
Jun. 28, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Number of reportable segments     5  
Duration of fiscal interim period 91 days 91 days 178 days 179 days