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Stock-Based Compensation - Summary of Restricted-Stock Awards and Restricted-Stock Units (Detail)
shares in Thousands
3 Months Ended
Apr. 29, 2017
$ / shares
shares
Time-based Restricted Stock Units [Member]  
Number of Units  
Nonvested units outstanding, beginning balance | shares 487
Granted, Number of Units | shares 294
Vested, Number of Units | shares (233)
Forfeited, Number of Units | shares (24)
Nonvested units outstanding, ending balance | shares 524
Weighted- Average Grant Date Fair Value (per unit)  
Weighted-Average Grant Date Fair Value (per unit), beginning balance | $ / shares $ 18.04
Granted, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 9.31
Vested, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 18.18
Forfeited, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 17.15
Weighted-Average Grant Date Fair Value (per unit), ending balance | $ / shares $ 13.11
Performance-based Restricted Stock Units [Member]  
Number of Units  
Nonvested units outstanding, beginning balance | shares 375
Granted, Number of Units | shares 212
Vested, Number of Units | shares 0
Forfeited, Number of Units | shares (93)
Nonvested units outstanding, ending balance | shares 494
Weighted- Average Grant Date Fair Value (per unit)  
Weighted-Average Grant Date Fair Value (per unit), beginning balance | $ / shares $ 19.10
Granted, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 9.31
Vested, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 0.00
Forfeited, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 24.84
Weighted-Average Grant Date Fair Value (per unit), ending balance | $ / shares $ 14.05