Business Combinations - Summary of Net Assets Acquired from Acquisition (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 44.1		$ 41.9	$ 24.3
Assets acquired net of cash	1.5	$ 2.6
Material Handling
Business Acquisition [Line Items]
Goodwill	11.7		11.6	10.2
Construction Equipment
Business Acquisition [Line Items]
Goodwill	32.4		$ 30.3	$ 14.1
2021 Acquisitions
Business Acquisition [Line Items]
Cash	1.7
Accounts receivable, net of allowances	8.7
Inventories, net	28.8
Prepaid expenses and other current assets	1.0
Rental fleet, net	13.1
Property and equipment, net	3.6
Other intangible assets, net	19.9
Goodwill	21.1
Total Assets	97.9
Floor plan payable	(17.1)
Accounts payable	(5.0)
Accrued expenses	(2.8)
Customer deposits	(1.8)
Other current liabilities	(0.9)
Deferred tax liability	(3.7)
Other liabilities	(0.7)
Total Liabilities	(32.0)
Net Assets Acquired	65.9
Assets acquired net of cash	64.2
2021 Acquisitions | Material Handling
Business Acquisition [Line Items]
Cash	0.5
Accounts receivable, net of allowances	0.9
Inventories, net	0.6
Prepaid expenses and other current assets	0.4
Property and equipment, net	0.6
Other intangible assets, net	0.9
Goodwill	1.5
Total Assets	5.4
Accounts payable	(0.3)
Accrued expenses	(0.1)
Customer deposits	(0.3)
Other current liabilities	(0.9)
Total Liabilities	(1.6)
Net Assets Acquired	3.8
Assets acquired net of cash	3.3
2021 Acquisitions | Construction Equipment
Business Acquisition [Line Items]
Cash	1.2
Accounts receivable, net of allowances	7.8
Inventories, net	28.2
Prepaid expenses and other current assets	0.6
Rental fleet, net	13.1
Property and equipment, net	3.0
Other intangible assets, net	19.0
Goodwill	19.6
Total Assets	92.5
Floor plan payable	(17.1)
Accounts payable	(4.7)
Accrued expenses	(2.7)
Customer deposits	(1.5)
Deferred tax liability	(3.7)
Other liabilities	(0.7)
Total Liabilities	(30.4)
Net Assets Acquired	62.1
Assets acquired net of cash	$ 60.9