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Subsequent Events - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
	Oct. 14, 2026	Sep. 30, 2026	Sep. 30, 2025	Nov. 04, 2026	Aug. 26, 2026	Apr. 29, 2026
Subsequent Event [Line Items]
Cash proceeds from sale of segment		$ 12,409.8	$ 2,041.9
Share repurchase program, authorized amount					$ 150.0	$ 100.0
Maximum [Member]
Subsequent Event [Line Items]
Share repurchase program, authorized amount					$ 250.0
Subsequent Event [Member]
Subsequent Event [Line Items]
Share repurchase program, authorized amount				$ 100.0
Subsequent Event [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Share repurchase program, authorized amount				$ 350.0
Subsequent Event [Member] \| RUCKUS [Member] \| S 2026 Dividends [Member]
Subsequent Event [Line Items]
Distribution declared date	Oct. 14, 2026
Cash distribution declared per share	$ 1.5
Distribution record date	Oct. 26, 2026
Distribution date to be paid	Nov. 06, 2026