Income Taxes - Significant Components of Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Carryforward losses and credits	$ 48.8	$ 54.2
Inventory and warranty reserves	37.3	32.4
Accrued expenses and other reserves	15.8	14.5
Stock-based compensation	3.5	5.1
Executive supplemental retirement benefits	1.5	1.8
Lease liability	44.7	48.7
Deferred tax assets utilization loss		4.0
Other	1.0	2.7
Total deferred tax assets	152.6	163.4
Deferred tax liabilities:
Acquired intangible assets and goodwill	(136.5)	(116.2)
Depreciation and amortization	(23.3)	(14.5)
Loan costs	(2.0)	(1.8)
Right-of-use asset	(41.0)	(46.4)
Foreign withholding taxes	(6.1)	(3.2)
Unrealized gain	(1.6)
Total deferred tax liabilities	(210.5)	(182.1)
Valuation allowance	(26.2)	(30.6)
Net deferred tax (liabilities) assets	$ (84.1)	$ (49.3)