| Goodwill |
Changes in the carrying amount of goodwill consisted of the following (dollars in thousands): | | | | | | | | | | | | | | | | | | | Communications | | Building Systems | | Total | Balance as of January 31, 2026 | $ | 332,645 | | | $ | 1,110,790 | | | $ | 1,443,435 | | | | | | | | | Goodwill adjustment from fiscal 2026 acquisition | — | | | 13,642 | | | 13,642 | | | Goodwill from fiscal 2027 acquisition | — | | | 141,869 | | | 141,869 | | Balance as of August 1, 2026 | $ | 332,645 | | | $ | 1,266,301 | | | $ | 1,598,946 | |
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| Schedule of Intangible Assets |
Our intangible assets consisted of the following (dollars in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | August 1, 2026 | | January 31, 2026 | | Weighted Average Remaining Useful Lives (Years) | | Gross Carrying Amount | | Accumulated Amortization | | Intangible Assets, Net | | Gross Carrying Amount | | Accumulated Amortization | | Intangible Assets, Net | | Customer relationships | 13.4 | | $ | 1,121,217 | | | $ | 356,215 | | | $ | 765,002 | | | $ | 1,032,417 | | | $ | 306,094 | | | $ | 726,323 | | | Trade names, finite | 13.7 | | 54,080 | | | 11,801 | | | 42,279 | | | 54,080 | | | 10,178 | | | 43,902 | | | Trade name, indefinite | Indefinite | | 4,700 | | | — | | | 4,700 | | | 4,700 | | | — | | | 4,700 | | | Contract backlog | 1.1 | | 232,300 | | | 108,911 | | | 123,389 | | | 192,900 | | | 41,903 | | | 150,997 | | | Non-compete agreements | 1.3 | | 75 | | | 56 | | | 19 | | | 75 | | | 49 | | | 26 | | | | | $ | 1,412,372 | | | $ | 476,983 | | | $ | 935,389 | | | $ | 1,284,172 | | | $ | 358,224 | | | $ | 925,948 | |
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| Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense |
As of August 1, 2026, total amortization expense for existing finite-lived intangible assets for the next five fiscal years and thereafter is as follows (dollars in thousands): | | | | | | | | | | | Amount | | Remainder of 2027 | | $ | 119,742 | | | 2028 | | 168,297 | | | 2029 | | 102,325 | | | 2030 | | 101,852 | | | 2031 | | 71,109 | | | 2032 | | 68,514 | | | Thereafter | | 298,850 | | | Total | | $ | 930,689 | |
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