XML 69 R57.htm IDEA: XBRL DOCUMENT v3.4.0.3
Equity Compensation Plans - Narrative (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 17, 2016
$ / shares
shares
Mar. 16, 2016
$ / shares
shares
Mar. 06, 2014
shares
Mar. 31, 2016
USD ($)
person
$ / shares
shares
Mar. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
shares
Jun. 30, 2014
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock Options, Granted (in shares)       364,583      
The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Total number of shares of common stock that may be subject to grant awards (in shares)             15,500,000
Awards granted (in shares)       373,434      
Stock Options, Granted (in shares)   364,583          
Options granted, exercise price (in dollars per share) | $ / shares   $ 7.95          
Options granted, weighted average grant date fair value (in dollars per share) | $ / shares   $ 4.32          
Employee Stock Purchase Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Maximum approved shares of common stock for ESPP (in shares)     5,178,815        
Total number of shares issued under ESPP (in shares)       90,898      
Persons eligible to participate | person       830      
Restricted Stock Units (RSUs)              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards outstanding (in shares)       1,969,070   501,634  
Forfeited (in shares)       51,337      
Weighted average grant date fair value (in dollars per share) | $ / shares       $ 10.82      
RSUs, Liability Classified, outstanding (in shares)       329,802   329,802  
Restricted Stock Units (RSUs) | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards outstanding (in shares)       2,663,455      
Compensation expense | $       $ 0.9 $ 0.7    
Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)       1,501,257      
Restricted Stock Units (RSUs) | Director | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares) 25,158            
Weighted average grant date fair value (in dollars per share) | $ / shares $ 8.84            
Performance Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)       473,657      
Market Conditions | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)       390,324      
Share multiplier performance period (in years)       3 years      
Restricted Stock Units Related to Service Conditions | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)       637,276      
Restricted Stock Units Granted 17 March 2015 | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)       7,642      
Restricted Stock Units Granted 6 March 2014 | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)     329,823        
Compensation expense | $       $ (0.1) 0.3    
RSUs, Liability Classified, outstanding (in shares)       329,802      
Combined undiscounted maximum cash value of all RSUs | $       $ 7.1      
Employee Stock Option | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period (in months)   3 years          
Award expiration period (in years)   10 years          
Minimum | Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Grant date fair value range (in usd per share) | $ / shares       $ 8.32      
Vesting period (in months)       33 months 15 days      
Minimum | Market Conditions | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share multiplier       0      
Maximum | Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Grant date fair value range (in usd per share) | $ / shares       $ 15.80      
Vesting period (in months)       36 months      
Maximum | Market Conditions | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share multiplier       3      
Deferred Bonus | Long Term Cash Bonus Plan (LTCB)              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Compensation expense | $       $ 0.2 $ 1.0    
Allotted bonus total amount | $       $ 12.3   $ 3.0  
Deferred Bonus | Minimum | Long Term Cash Bonus Plan (LTCB)              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period (in months)       36 months      
Deferred Bonus | Maximum | Long Term Cash Bonus Plan (LTCB)              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period (in months)       62 months 15 days      
Vesting Depending Upon Return on Invested Capital Benchmarks | Performance Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)       390,324      
Vesting Depending Upon Return on Invested Capital Benchmarks | Minimum | Performance Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share multiplier       0      
Vesting Depending Upon Return on Invested Capital Benchmarks | Maximum | Performance Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share multiplier       2.0      
Vesting Based on EBITDA Target Benchmarks | Performance Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Awards granted (in shares)       83,333      
Vesting Based on EBITDA Target Benchmarks | Minimum | Performance Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share multiplier       0      
Vesting Based on EBITDA Target Benchmarks | Maximum | Performance Restricted Stock Units (RSUs) | Certain Employees | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share multiplier       1      
Vesting Based on Unestablished EBITDA Target Benchmarks | Performance Restricted Stock Units (RSUs) | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Total number of shares of common stock that may be subject to grant awards (in shares)       166,667      
Vesting Based on Unestablished EBITDA Target Benchmarks | Minimum | Performance Restricted Stock Units (RSUs) | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share multiplier       0      
Vesting Based on Unestablished EBITDA Target Benchmarks | Maximum | Performance Restricted Stock Units (RSUs) | The 2013 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share multiplier       1