Discontinued Operations - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 28, 2013
Discontinued Operations [Line Items]
Proceeds from sale of discontinued operations	$ 87,000,000
Value of net assets sold	32,500,000
Direct transaction costs	2,400,000
Gain on the sale of discontinued operations, income taxes	19,100,000
Gain on sale of discontinued operations, net of income taxes	33,000,000
Gain on sale of discontinued operations, per diluted share	$ 0.71
Interest costs allocated in gain calculation	0
Corporate overhead expenses allocated in gain calculation	$ 0