Stock-Based Compensation - Summary of Restricted Stock Awards and PSU Activity (Details)	6 Months Ended
	Jul. 29, 2017 $ / shares shares
Restricted Stock Awards
Number of Shares
Unvested, beginning of period, Number of Shares (in shares) | shares	2,463,186
Granted, Number of Shares (in shares) | shares	1,324,380
Vested, Number of Shares (in shares) | shares	(971,616)
Forfeited, Number of Shares (in shares) | shares	(132,685)
Unvested, end of period, Number of Shares (in shares) | shares	2,683,265
Weighted Average Grant Date Fair Value
Unvested, beginning of period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 13.87
Granted, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	13.64
Vested, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	14.52
Forfeited, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	14.76
Unvested, end of period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 13.47
Performance-Based Stock Units
Number of Shares
Unvested, beginning of period, Number of Shares (in shares) | shares	652,248
Granted, Number of Shares (in shares) | shares	601,137
Vested, Number of Shares (in shares) | shares	(274,774)
Forfeited, Number of Shares (in shares) | shares	(77,628)
Unvested, end of period, Number of Shares (in shares) | shares	900,983
Weighted Average Grant Date Fair Value
Unvested, beginning of period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 13.28
Granted, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	13.93
Vested, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	13.54
Forfeited, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	13.08
Unvested, end of period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 13.65