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Stock-Based Compensation - Summary of Restricted-Stock Awards and Restricted-Stock Units (Detail)
shares in Thousands
6 Months Ended
Jul. 30, 2016
$ / shares
shares
Time-based Restricted Stock Units [Member]  
Number of Units  
Nonvested units outstanding, beginning balance | shares 463
Granted, Number of Units | shares 222
Vested, Number of Units | shares (140)
Forfeited, Number of Units | shares (40)
Nonvested units outstanding, ending balance | shares 505
Weighted- Average Grant Date Fair Value (per unit)  
Weighted-Average Grant Date Fair Value (per unit), beginning balance | $ / shares $ 18.05
Granted, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 18.56
Vested, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 18.30
Forfeited, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 16.87
Weighted-Average Grant Date Fair Value (per unit), ending balance | $ / shares $ 18.30
Performance-based Restricted Stock Units [Member]  
Number of Units  
Nonvested units outstanding, beginning balance | shares 303
Granted, Number of Units | shares 180
Vested, Number of Units | shares 0
Forfeited, Number of Units | shares (71)
Nonvested units outstanding, ending balance | shares 412
Weighted- Average Grant Date Fair Value (per unit)  
Weighted-Average Grant Date Fair Value (per unit), beginning balance | $ / shares $ 20.95
Granted, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 18.30
Vested, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 0.00
Forfeited, Weighted-Average Grant Date Fair Value (per unit) | $ / shares 22.64
Weighted-Average Grant Date Fair Value (per unit), ending balance | $ / shares $ 19.51