Loss Per Share (Narrative) (Details) - shares |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 25, 2020 |
Jun. 27, 2019 |
Jun. 25, 2020 |
Jun. 27, 2019 |
|
Stock Options And Non-Vested Restricted Stock | ||||
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Shares excluded from the calculation of diluted weighted average shares | 3,777,240 | 1,969,086 | 3,777,240 | 2,125,728 |
Common Units | ||||
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
Shares excluded from the calculation of diluted weighted average shares | 84,531,328 | 81,705,487 | 83,252,384 | 81,263,513 |