Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Number of shares used to calculate basic and diluted income per share

The weighted average number of shares used to calculate basic and diluted income (loss) per share were as follows:

	Three Months Ended		Six Months Ended
	6/30/2013	7/1/2012	6/30/2013	7/1/2012
Common stock:
Weighted average basic shares outstanding	393,174	389,978	392,836	389,840
Dilutive effect of stock options and restricted shares	4,710	—	3,953	2,161
Weighted average diluted shares outstanding	397,884	389,978	396,789	392,001