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Income (Loss) Per Share - Anti-dilutive Securities (Detail)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 28, 2013
Jun. 29, 2012
Jun. 28, 2013
Jun. 29, 2012
Earnings Per Share [Abstract]        
Potentially dilutive equity awards outstanding 13,182 14,749 12,598 14,375