Acquisitions - Additional Information (Detail) - USD ($) $ in Millions	Jan. 21, 2016	Dec. 03, 2015
Liberator Medical Holdings, Inc.
Business Acquisitions and Dispositions [Line Items]
Percentage of outstanding stock acquired	100.00%
Business acquisition, purchase consideration cash payment	$ 181.1
Purchase price allocation at fair value, recognition of deferred tax liabilities	31.6
Business Combination, recognized identifiable assets acquired and liabilities assumed, other net assets and liabilities	11.9
Purchase price allocation at fair value, goodwill	121.8
Embo Medical Limited
Business Acquisitions and Dispositions [Line Items]
Percentage of outstanding stock acquired		100.00%
Business acquisition, purchase consideration cash payment		$ 21.0
Business Combination, recognized identifiable assets acquired and liabilities assumed, other net assets and liabilities		(2.9)
Purchase price allocation at fair value, goodwill		4.4
Business acquisition, maximum contingent consideration		22.5
Business combination, contingent consideration, liability		16.6
Customer relationships | Liberator Medical Holdings, Inc.
Business Acquisitions and Dispositions [Line Items]
Purchase price allocation at fair value, recognition of finite-lived intangible asset	$ 53.0
Customer relationships | Weighted Average | Liberator Medical Holdings, Inc.
Business Acquisitions and Dispositions [Line Items]
Estimated useful lives, years	12 years
Other Intangible Assets | Liberator Medical Holdings, Inc.
Business Acquisitions and Dispositions [Line Items]
Purchase price allocation at fair value, recognition of finite-lived intangible asset	$ 26.0
Other Intangible Assets | Weighted Average | Liberator Medical Holdings, Inc.
Business Acquisitions and Dispositions [Line Items]
Estimated useful lives, years	8 years
In-Process Research And Development | Embo Medical Limited
Business Acquisitions and Dispositions [Line Items]
Purchase price allocation at fair value, recognition of indefinite-lived intangible asset		$ 36.1
Risk-adjusted discount rate		17.50%