Summary of Significant Accounting Policies - Net (loss) income per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 29, 2020	Sep. 29, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Oct. 01, 2019	Jul. 02, 2019	Apr. 02, 2019	Dec. 29, 2020	Dec. 31, 2019	Jan. 01, 2019
Basic net (loss)/income per common share:
Net (loss)/income	$ (32,317)	$ (28,346)	$ (56,539)	$ (136,163)	$ 48,709	$ 16,090	$ 35,510	$ 26,984	$ (253,365)	$ 127,293	$ 99,035
Dividends on Series A preferred stock									(13,485)
Direct and incremental preferred stock issuance costs									(10,257)
Net (loss)/income available to common stockholders	$ (37,270)	$ (33,184)	$ (70,490)	$ (136,163)					$ (277,107)	$ 127,293	$ 99,035
Basic weighted-average shares outstanding									43,869	43,949	45,263
Basic net (loss)/income per common share	$ (0.85)	$ (0.76)	$ (1.61)	$ (3.11)	$ 1.11	$ 0.37	$ 0.80	$ 0.61	$ (6.32)	$ 2.90	$ 2.19
Diluted net (loss)/income per common share:
Net (loss)/income available to common stockholders	$ (37,270)	$ (33,184)	$ (70,490)	$ (136,163)					$ (277,107)	$ 127,293	$ 99,035
Basic weighted-average shares outstanding									43,869	43,949	45,263
Dilutive effect of equity awards										596	952
Diluted weighted-average shares outstanding									43,869	44,545	46,215
Diluted net income per share (in dollars per share)	$ (0.85)	$ (0.76)	$ (1.61)	$ (3.11)	1.10	$ 0.36	$ 0.79	$ 0.60	$ (6.32)	$ 2.86	$ 2.14
Temporary Equity, Par or Stated Value Per Share	$ 0.01				$ 0.01				$ 0.01	$ 0.01
Restricted Shares and Restricted Share Units
Diluted net (loss)/income per common share:
Antidilutive securities excluded from calculation of basic earnings per share (in shares)									2,000	1,800	1,700
Common Stock
Diluted net (loss)/income per common share:
Antidilutive securities excluded from calculation of basic earnings per share (in shares)									4,000	2,300	1,500