Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation and Cash-Based Incentive Compensation - Schedule of Restricted Stock Units Outstanding (Details)

v3.2.0.727
Share-Based Compensation and Cash-Based Incentive Compensation - Schedule of Restricted Stock Units Outstanding (Details) - Restricted Stock Units (RSUs) - shares
Jun. 30, 2015
Dec. 31, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Awards expected to vest by period 1,881,945 1,977,335
2015 | Restricted Stock Units subject to service requirements    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Awards expected to vest by period 706,370  
2015 | Restricted Stock Units subject to service and other requirements    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Awards expected to vest by period [1] 86,507  
2016 | Restricted Stock Units subject to service requirements    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Awards expected to vest by period 1,089,068  
[1] In addition to service requirements, these RSUs are also subject to TSR performance requirements not yet measureable, with awards ranging from 0% to 200% of amounts granted.