Stock Plans (Reservation of Shares for Issuance) (Details)	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reservation of shares for issuance upon exercise, vesting or release of share-based compensation awards	3,225,935
Omnibus Equity Incentive Plan 2013 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reservation of shares for issuance upon exercise, vesting or release of share-based compensation awards	1,584,994
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reservation of shares for issuance upon exercise, vesting or release of share-based compensation awards	568,336
Omnibus Equity Incentive Plan 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reservation of shares for issuance upon exercise, vesting or release of share-based compensation awards	1,039,655
1995 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reservation of shares for issuance upon exercise, vesting or release of share-based compensation awards	32,950