XML 72 R57.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stockholders' Equity and Share-Based Compensation - Restricted Stock Units (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 03, 2017
Dec. 30, 2017
Dec. 31, 2016
Nov. 08, 2017
Aug. 09, 2017
May 11, 2017
Mar. 30, 2017
Jan. 25, 2017
Jan. 19, 2017
Feb. 29, 2016
Jan. 21, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Weighted-average period of unrecognized compensation expense   2 years 7 months 20 days                  
Restricted Stock Units                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Awards granted (in shares)   1,671,000 954,000                
Closing price of grant (in dollars per share)       $ 2.27 $ 2.77 $ 3.93 $ 3.34 $ 3.40 $ 3.61 $ 2.75 $ 2.64
Compensation expense   $ 1,293                  
Unrecognized compensation expense   $ 962                  
Weighted-average period of unrecognized compensation expense   11 months 12 days                  
Time-Based RSU Award                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Awards granted (in shares)   1,144,000 382,000                
Awards forfeited (in shares)   799,000                  
Performance-based RSU Award                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Awards granted (in shares)   527,000 572,000                
Percentage of performance criteria met   57.40%                  
Vested (in shares) 525,000 0                  
Awards forfeited (in shares) 47,000 104,000                  
Minimum | Restricted Stock Units                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Requisite service period   1 year                  
Maximum | Restricted Stock Units                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Requisite service period   3 years