Summary of Significant Accounting Policies (Details)	3 Months Ended		12 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Dec. 28, 2014
Significant Accounting Policies Disclosure [Line Items]
Fiscal year duration	364 days		364 days
First quarter duration	91 days	91 days
Minimum
Significant Accounting Policies Disclosure [Line Items]
Fiscal year duration	364 days
Maximum
Significant Accounting Policies Disclosure [Line Items]
Fiscal year duration	371 days