Equity Incentive Plans and Stock-Based Compensation (Details) (Stock-Based Incentive Compensation Plans)	0 Months Ended	6 Months Ended
	Apr. 24, 2014	Jun. 30, 2014
Stock-Based Incentive Compensation Plans
Stock-Based Compensation
Number of shares reserved under the 2006 Purchase Plan		31,400,000
Shares available for grant
Shares available, at the beginning of the year		2,527,428
Increase in shares approved for issuance	10,000,000	10,000,000
Stock options granted (in shares)		(1,916,077)
Stock options forfeited (in shares)		863,102
Stock options expired under former plans (in shares)		(142,400)
Nonvested equity stock and stock units granted (in shares)		(343,014)	[1]
Nonvested equity stock and stock units forfeited (in shares)		34,679	[1]
Shares available, at the end of the period		11,023,718
Conversion factor used to calculate the decrease in the number of shares available for grant resulting from the grant of restricted stock awards		1.5
Conversion factor used to calculate the increase in the number of shares available for grant resulting from the forfeiture of restricted stock awards		1.5

[1] For purposes of determining the number of shares available for grant under the 2006 Plan against the maximum number of shares authorized, each share of restricted stock granted reduces the number of shares available for grant by 1.5 shares and each share of restricted stock forfeited increases shares available for grant by 1.5 shares.