Basis of Presentation - Additional Information (Detail)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 31, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 31, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Guideline used to determine the end date of first quarter				91 days
Reporting period	95 days	91 days	91 days	88 days	94 days	91 days	91 days	89 days	365 days	365 days