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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Jan. 25, 2020
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (Unaudited) | The sum of the quarterly results may not equal the reported annual amounts due to rounding (dollars in thousands, except per share amounts).
| Quarter Ended
Fiscal 2021 | First Quarter (1) |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
Contract revenues | $ | 814,322 |  |  | $ | 823,921 |  |  | $ | 810,256 |  |  | $ | 750,665 |
Costs of earned revenues, excluding depreciation and amortization | $ | 680,206 |  |  | $ | 657,953 |  |  | $ | 658,355 |  |  | $ | 645,476 |
Gross profit | $ | 134,116 |  |  | $ | 165,968 |  |  | $ | 151,901 |  |  | $ | 105,189 |
Net income (loss) | $ | (32,418) |  |  | $ | 37,024 |  |  | $ | 33,926 |  |  | $ | (4,195) |
Earnings (loss) per common share - Basic | $ | (1.03) |  |  | $ | 1.17 |  |  | $ | 1.06 |  |  | $ | (0.13) |
Earnings (loss) per common share - Diluted | $ | (1.03) |  |  | $ | 1.15 |  |  | $ | 1.05 |  |  | $ | (0.13) |
| Quarter Ended
Fiscal 2020 | First Quarter (2) |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
Contract revenues | $ | 833,743 |  |  | $ | 884,221 |  |  | $ | 884,115 |  |  | $ | 737,603 |
Costs of earned revenues, excluding depreciation and amortization | $ | 701,767 |  |  | $ | 720,382 |  |  | $ | 724,378 |  |  | $ | 633,203 |
Gross profit | $ | 131,976 |  |  | $ | 163,839 |  |  | $ | 159,737 |  |  | $ | 104,400 |
Net income (loss) | $ | 14,279 |  |  | $ | 29,896 |  |  | $ | 24,229 |  |  | $ | (11,189) |
Earnings (loss) per common share - Basic | $ | 0.45 |  |  | $ | 0.95 |  |  | $ | 0.77 |  |  | $ | (0.35) |
Earnings (loss) per common share - Diluted | $ | 0.45 |  |  | $ | 0.94 |  |  | $ | 0.76 |  |  | $ | (0.35) |
(1) During the first quarter of fiscal 2021, we recognized an impairment charge of $53.3 million which is the amount by which the carrying amount exceeded the reporting unit’s fair value. (2) During the first quarter of fiscal 2020, we recovered $10.3 million of the previously reserved accounts receivable and contract assets related to Windstream.

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- Definition Tabular disclosure of costs and expenses incurred during an interim period that cannot be readily identified with the activities or benefits of other interim periods and are charged to the interim period in which incurred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116846552&loc=d3e639-108305 + Details
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