Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Schedule of Earnings Per Share, Including Dilutive Securities [Line Items]
Net income	$ 28,801	$ 6,900	$ 14,932
Income (loss) from discontinued operations, net of tax	41	(328)	(129)
Income from continuing operations, net of tax	28,760	7,228	15,061
Less: preferred stock dividends	4,261	3,878	2,438
Less: preferred stock repurchase	6,091	0	0
Income from continuing operations available to common stockholders, net of tax	$ 18,408	$ 3,350	$ 12,623
Basic weighted average shares outstanding	23,343,772	21,252,616	21,182,885
Basic earnings per share, continuing operations (in dollars per share)	$ 0.79	$ 0.16	$ 0.60
Basic earnings per share, discontinued operations (in dollars per share)	0.00	(0.02)	(0.01)
Basic earnings per share (in dollars per share)	$ 0.79	$ 0.14	$ 0.59
Effect of dilutive securities:
Convertible Preferred Stock - if converted (in shares)	0	0	4,314,064
Warrants (in shares)	1,280,265	0	0
Diluted weighted average shares outstanding	24,877,729	21,315,619	25,497,602
Diluted earnings per share, continuing operations (in dollars per share)	$ 0.74	$ 0.16	$ 0.59
Diluted earnings per share, discontinued operations (in dollars per share)	0.00	(0.02)	0.00
Diluted earnings per share (in dollars per share)	$ 0.74	$ 0.14	$ 0.59
Restricted stock
Effect of dilutive securities:
Dilutive securities related to share based compensation (in shares)	19,073	60,401	653
Non-qualified stock options
Effect of dilutive securities:
Dilutive securities related to share based compensation (in shares)	234,619	2,602	0
Convertible Preferred Stock
Effect of dilutive securities:
Anti-dilutive securities excluded from computation of earnings per share (in shares)	4,302,212	4,314,064
Common Stock
Effect of dilutive securities:
Anti-dilutive securities excluded from computation of earnings per share (in shares)	12,295	173,009	311,809