Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

Computation of Basic and Diluted Income Loss Per Share (Parenthetical) (Detail) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011
Stock Options
Net Income (Loss) Per Common Share [Line Items]
Securities excluded from computation of dilutive income (loss) per share	5.3	4.8	4.3	3.4
Restricted Stock Units (RSUs)
Net Income (Loss) Per Common Share [Line Items]
Securities excluded from computation of dilutive income (loss) per share		1.1