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Share-based Compensation - Performance-based RSU and Time-based RSU Activity (Detail) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Performance-Based RSUs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Beginning balance, Shares 1,878 1,782 534
Awarded 1,419 320 1,356
Awarded in connection with modification, Shares   55  
Issued, Shares   (255)  
Cancelled, Shares (224)   (77)
Forfeited, Shares (10) (24) (31)
Ending balance, Shares 3,063 1,878 1,782
Beginning balance, Weighted Average Grant-Date Fair Value $ 7.41 $ 7.01 $ 7.81
Vested or expected to vest at December 31, 2016 2,070    
Awarded, Weighted Average Grant-Date Fair Value $ 13.09 9.22 6.68
Awarded in connection with modification, Weighted Average Grant-Date Fair Value   7.90  
Issued, Weighted Average Grant-Date Fair Value   6.87  
Cancelled, Weighted Average Grant-Date Fair Value 9.29   6.58
Forfeited, Weighted Average Grant-Date Fair Value 9.24 8.61 7.90
Ending balance, Weighted Average Grant-Date Fair Value 9.89 $ 7.41 $ 7.01
Vested or expected to vest at December 31, 2016 $ 11.83    
Time-Based RSUs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Beginning balance, Shares 827 664 831
Awarded 1,017 213 368
Issued, Shares (1,027) (10) (467)
Forfeited, Shares (17) (40) (68)
Ending balance, Shares 800 827 664
Beginning balance, Weighted Average Grant-Date Fair Value $ 8.78 $ 8.63 $ 8.04
Vested or expected to vest at December 31, 2016 800    
Awarded, Weighted Average Grant-Date Fair Value $ 13.88 9.22 8.00
Issued, Weighted Average Grant-Date Fair Value 12.01 8.60 7.14
Forfeited, Weighted Average Grant-Date Fair Value 8.50 8.67 8.26
Ending balance, Weighted Average Grant-Date Fair Value 11.10 $ 8.78 $ 8.63
Vested or expected to vest at December 31, 2016 $ 11.10