Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	2 Months Ended	3 Months Ended				12 Months Ended
	Aug. 26, 2017	Aug. 25, 2018	May 26, 2018	Feb. 24, 2018	Nov. 25, 2017	Aug. 25, 2018
Numerator:
Net income available to common stock shareholders	$ 450	$ 11,706	$ 7,137	$ 41,394	$ 10,218	$ 70,455
Denominator:
Weighted average common shares - basic (in shares)	70,562,477					70,582,149
Basic earnings per share from net income (in dollars per share)	$ 0.01	$ 0.17	$ 0.10	$ 0.59	$ 0.14	$ 1.00
Numerator:
Net income available to common stock shareholders	$ 450	$ 11,706	$ 7,137	$ 41,394	$ 10,218	$ 70,455
Denominator:
Weighted average common shares - basic (in shares)	70,562,477					70,582,149
Warrant conversion (in shares)	690,248					3,006,073
Weighted average common shares - diluted (in shares)	71,254,770.00					73,681,355
Diluted earnings per share from net income (in dollars per share)	$ 0.01	$ 0.15	$ 0.10	$ 0.56	$ 0.14	$ 0.96
Antidilutive stock options excluded from computation of earnings per share	2,600,000					200,000
Employee stock options
Denominator:
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0					43,779
Restricted stock units
Denominator:
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	2,045					49,354