XML 89 R77.htm IDEA: XBRL DOCUMENT v3.19.2
Performance-Based Restricted Stock Units Activity (Detail) - Performance-Based Restricted Stock Units (PRUs) - $ / shares
shares in Thousands
6 Months Ended
Jul. 01, 2019
Jul. 02, 2018
[2]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding shares as of December 31, 2018 255  
Granted 293  
Change in units due to annual performance achievement (51)  
Forfeited / cancelled (6)  
Outstanding shares as of July 1, 2019 491  
Weighted Average Grant-Date Fair Value    
Outstanding shares as of December 31, 2018 $ 18.75  
Granted 10.17 [1] $ 19.59
Change in units due to annual performance achievement 10.15  
Forfeited / cancelled 15.18  
Outstanding shares as of July 1, 2019 $ 14.57  
[1] Reflects the weighted-averages for the third year of the three-year performance period applicable to PRUs granted in 2017 and second year of the three-year performance period applicable to PRUs granted in 2018 and first year of the three-year performance period applicable to PRUs granted in 2019.
[2] Reflects the weighted-averages for the third year of the three-year performance period applicable to PRUs granted in 2016, second year of the three-year performance period applicable to PRUs granted in 2017 and first year of the three-year performance period applicable to PRUs granted in 2018.