Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business And Significant Accounting Policies [Line Items]
Percentage of sales through direct channel	80.00%
Percentage of sales through indirect channel	20.00%
Period terms for payment	90 days
Expenses incurred related to shipping and handling of products	$ 214.2	$ 181.9	$ 163.6
Fair value of merger consideration transferred, classified as compensation expense	90.4	0.0	$ 0.0
Merger retention plans, expenses recognized	$ 73.0
Employees dedication percentage to quality and operational excellence for dedicated project personnel expenses	100.00%
Allowance for doubtful accounts	$ 34.1	$ 22.3
Reclassification of other current assets to debt	11.7
Reclassification of other assets to debt	60.6
Employee Severance [Member]
Business And Significant Accounting Policies [Line Items]
Restructuring Cost	170.0
Contract Terminations [Member]
Business And Significant Accounting Policies [Line Items]
Restructuring Cost	130.0
LVB Acquisition Inc [Member]
Business And Significant Accounting Policies [Line Items]
Fair value of merger consideration transferred, classified as compensation expense	90.4
Merger retention plans, expenses recognized	73.0
Deferred Compensation, Share-based Payments [Member] | LVB Acquisition Inc [Member]
Business And Significant Accounting Policies [Line Items]
Fair value of merger consideration transferred, classified as compensation expense	$ 90.4
Instruments [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life	5 years
Minimum [Member]
Business And Significant Accounting Policies [Line Items]
Useful life of finite lived intangibles	1 year
Minimum [Member] | Building and Building Improvements [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life	10 years
Minimum [Member] | Machinery and Equipment [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life	3 years
Minimum [Member] | Capitalized Software Costs [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life	3 years
Maximum [Member]
Business And Significant Accounting Policies [Line Items]
Useful life of finite lived intangibles	20 years
Maximum [Member] | Building and Building Improvements [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life	40 years
Maximum [Member] | Machinery and Equipment [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life	8 years
Maximum [Member] | Capitalized Software Costs [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life	15 years