Goodwill and Intangible Assets - Changes in the Carrying Amount of Goodwill (Details) $ in Thousands	6 Months Ended
Aug. 01, 2026 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 1,443,435
Goodwill	1,598,946
Power Solutions
Goodwill [Roll Forward]
Beginning balance	1,124,400
Goodwill adjustment from fiscal 2026 acquisition	13,642
Goodwill
National Technology Integrators, LLC
Goodwill [Roll Forward]
Goodwill adjustment from fiscal 2026 acquisition	141,869
Goodwill	141,900
Communications
Goodwill [Roll Forward]
Beginning balance	332,645
Goodwill	332,645
Communications \| Power Solutions
Goodwill [Roll Forward]
Goodwill adjustment from fiscal 2026 acquisition	0
Communications \| National Technology Integrators, LLC
Goodwill [Roll Forward]
Goodwill adjustment from fiscal 2026 acquisition	0
Building Systems
Goodwill [Roll Forward]
Beginning balance	1,110,790
Goodwill	1,266,301
Building Systems \| Power Solutions
Goodwill [Roll Forward]
Goodwill adjustment from fiscal 2026 acquisition	13,642
Building Systems \| National Technology Integrators, LLC
Goodwill [Roll Forward]
Goodwill adjustment from fiscal 2026 acquisition	$ 141,869

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details