CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Treasury Stock | Paid-in Capital | Accumulated Other Comprehensive Loss, net of tax | Retained Earnings |
Beginning balance (in shares) at Dec. 30, 2018 | | 17,851 | 4,880 | | | |
Beginning balance at Dec. 30, 2018 | $ 382,805 | $ 18 | $ (201,505) | $ 212,752 | $ (4,801) | $ 376,341 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (32) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | 140 | | $ 1,344 | (1,204) | | |
Acquisition of treasury stock (in shares) | | | 31 | | | |
Treasury Stock, Value, Acquired, Cost Method | (974) | | $ (974) | | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 477 | | | 477 | | |
Net income | 639 | | | | | 639 |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | (329) | | | | (329) | |
Ending balance (in shares) at Apr. 21, 2019 | | 17,851 | 4,879 | | | |
Ending balance at Apr. 21, 2019 | 367,586 | $ 18 | $ (201,135) | 212,025 | (5,130) | 361,808 |
Beginning balance (in shares) at Dec. 30, 2018 | | 17,851 | 4,880 | | | |
Beginning balance at Dec. 30, 2018 | 382,805 | $ 18 | $ (201,505) | 212,752 | (4,801) | 376,341 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | 1,620 | | | | | |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 77 | | | | | |
Ending balance (in shares) at Jul. 14, 2019 | | 17,851 | 4,866 | | | |
Ending balance at Jul. 14, 2019 | 369,714 | $ 18 | $ (200,428) | 212,059 | (4,724) | 362,789 |
Beginning balance (in shares) at Apr. 21, 2019 | | 17,851 | 4,879 | | | |
Beginning balance at Apr. 21, 2019 | 367,586 | $ 18 | $ (201,135) | 212,025 | (5,130) | 361,808 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (30) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | 301 | | $ 1,208 | (907) | | |
Acquisition of treasury stock (in shares) | | | 17 | | | |
Treasury Stock, Value, Acquired, Cost Method | (501) | | $ (501) | | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 981 | | | 941 | | |
Net income | 981 | | | | | 981 |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 406 | | | | 406 | |
Ending balance (in shares) at Jul. 14, 2019 | | 17,851 | 4,866 | | | |
Ending balance at Jul. 14, 2019 | $ 369,714 | $ 18 | $ (200,428) | 212,059 | (4,724) | 362,789 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Common Stock, Par or Stated Value Per Share | $ 0.001 | | | | | |
Beginning balance (in shares) at Dec. 29, 2019 | | 17,851 | 4,928 | | | |
Beginning balance at Dec. 29, 2019 | $ 360,520 | $ 18 | $ (202,313) | 213,922 | (4,373) | 353,266 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (39) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | 217 | | $ 1,605 | (1,388) | | |
Acquisition of treasury stock (in shares) | | | 72 | | | |
Treasury Stock, Value, Acquired, Cost Method | (1,635) | | $ (1,635) | | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 712 | | | 712 | | |
Net income | (174,298) | | | | | (174,298) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | (1,147) | | | | (1,147) | |
Ending balance (in shares) at Apr. 19, 2020 | | 17,851 | 4,961 | | | |
Ending balance at Apr. 19, 2020 | 184,369 | $ 18 | $ (202,343) | 213,246 | (5,520) | 178,968 |
Beginning balance (in shares) at Dec. 29, 2019 | | 17,851 | 4,928 | | | |
Beginning balance at Dec. 29, 2019 | 360,520 | $ 18 | $ (202,313) | 213,922 | (4,373) | 353,266 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net income | (230,559) | | | | | |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | (1,130) | | | | | |
Ending balance (in shares) at Jul. 12, 2020 | | 20,449 | 4,902 | | | |
Ending balance at Jul. 12, 2020 | 158,091 | $ 20 | $ (199,945) | 240,812 | (5,503) | 122,707 |
Beginning balance (in shares) at Apr. 19, 2020 | | 17,851 | 4,961 | | | |
Beginning balance at Apr. 19, 2020 | 184,369 | $ 18 | $ (202,343) | 213,246 | (5,520) | 178,968 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Issuance of common stock, $0.001 par value, net of stock issuance costs | | 2,598 | | | | |
Issuance of common stock, $0.001 par value, net of stock issuance costs | 28,725 | $ 2 | | 28,723 | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan (in shares) | | | (59) | | | |
Exercise of options, issuance of restricted stock, shares exchanged for exercise and tax, and stock issued through employee stock purchase plan | 170 | | $ 2,398 | (2,228) | | |
APIC, Share-based Payment Arrangement, Increase for Cost Recognition | 1,071 | | | 1,071 | | |
Net income | (56,261) | | | | | (56,261) |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent | 17 | | | | 17 | |
Ending balance (in shares) at Jul. 12, 2020 | | 20,449 | 4,902 | | | |
Ending balance at Jul. 12, 2020 | $ 158,091 | $ 20 | $ (199,945) | $ 240,812 | $ (5,503) | $ 122,707 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Common Stock, Par or Stated Value Per Share | $ 0.001 | | | | | |