Earnings Per Share - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Basic EPS for common shares	$ (0.06)	$ 0.14
Basic EPS for redeemable preferred shares		$ 0.14
Diluted Earnings Per Share		$ 0.14
Options and non-vested shares excluded from computation of diluted earnings per share	8	12
Redeemable Preferred Stock | Distributed
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Basic EPS for redeemable preferred shares		$ 0.11
Redeemable Preferred Stock | Assumed Distributed
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Basic EPS for redeemable preferred shares		$ 0.03