Acquisition and Dispositions - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	1 Months Ended
	Mar. 28, 2015	Aug. 31, 2014	Dec. 27, 2014	Feb. 04, 2015
Business Acquisition [Line Items]
Other acquisition, purchase consideration	$ 10
Long lived assets held for sale	$ 34		$ 31
Grupo OfficeMax
Business Acquisition [Line Items]
Sale of stock, percentage of ownership before transaction		51.00%
Staples, Inc.
Business Acquisition [Line Items]
Common stock issued in cash				$ 7.25
Business acquisition common stock exchange ratio				0.2188