Summary of significant accounting policies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Summary Of Significant Accounting Policies [Line Items]
Allowance for credit losses	$ 10.8	$ 12.9
Current portion of allowance for credit losses	$ 6.0	8.1
Weighted average amortization period of intangible assets, in years	15 years
Reserve for returns and allowances	$ 15.2	14.6
Reserve for estimated rebates	$ 26.4	$ 28.5
Sales Revenue, Net | Hospitals And Healthcare Providers | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	89.00%
Sales Revenue, Net | Other Medical Device Manufacturers | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	9.00%
Sales Revenue, Net | Home Care Providers such as Pharmacies | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	2.00%
Minimum | Intellectual property
Summary Of Significant Accounting Policies [Line Items]
Useful life of Intangible assets, in years	5 years
Minimum | Customer relationships
Summary Of Significant Accounting Policies [Line Items]
Useful life of Intangible assets, in years	8 years
Minimum | Distribution rights
Summary Of Significant Accounting Policies [Line Items]
Useful life of Intangible assets, in years	10 years
Minimum | Trade names
Summary Of Significant Accounting Policies [Line Items]
Useful life of Intangible assets, in years	5 years
Minimum | Non-complete agreement
Summary Of Significant Accounting Policies [Line Items]
Useful life of Intangible assets, in years	5 years
Maximum | Intellectual property
Summary Of Significant Accounting Policies [Line Items]
Useful life of Intangible assets, in years	20 years
Maximum | Customer relationships
Summary Of Significant Accounting Policies [Line Items]
Useful life of Intangible assets, in years	27 years
Maximum | Trade names
Summary Of Significant Accounting Policies [Line Items]
Useful life of Intangible assets, in years	30 years
Maximum | Non-complete agreement
Summary Of Significant Accounting Policies [Line Items]
Useful life of Intangible assets, in years	6 years
Building
Summary Of Significant Accounting Policies [Line Items]
Useful life of plant and equipment, in years	30 years
Machinery and Equipment | Minimum
Summary Of Significant Accounting Policies [Line Items]
Useful life of plant and equipment, in years	3 years
Machinery and Equipment | Maximum
Summary Of Significant Accounting Policies [Line Items]
Useful life of plant and equipment, in years	15 years
Computer Equipment and Software | Minimum
Summary Of Significant Accounting Policies [Line Items]
Useful life of plant and equipment, in years	3 years
Computer Equipment and Software | Maximum
Summary Of Significant Accounting Policies [Line Items]
Useful life of plant and equipment, in years	10 years