Business Combinations - 2017 Acquisitions - Additional Information (Details) € in Millions, £ in Millions						5 Months Ended	6 Months Ended	12 Months Ended
	Sep. 27, 2018 USD ($) shares	Jul. 03, 2017 USD ($)	Jul. 03, 2017 EUR (€)	Jan. 10, 2017 USD ($)	Jan. 10, 2017 GBP (£)	Dec. 31, 2019 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 USD ($) shares		Dec. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)		Jul. 03, 2017 EUR (€)	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill						$ 274,710,000		$ 274,710,000	$ 217,662,000
Revenues						4,900,000
Income (loss) before income taxes						(3,500,000)
Amortization of inventory fair value adjustments and purchased intangible assets						$ 2,200,000
Cash consideration									33,500,000
Gain on business acquisition												$ 26,409,000
Redeemable noncontrolling interest redemption value adjustment									1,781,000	[1]		(20,244,000)	[2]
Acquisition and related charges								7,934,000	6,016,000			7,196,000
Income from equity method investments												104,000
Amortization of intangible assets including cost of goods sold amortization								$ 26,445,000	25,610,000			20,920,000
World of Medicine GmbH
Business Acquisition [Line Items]
Percentage of shares acquired		100.00%												100.00%
Purchase price		$ 134,934,000												€ 118.1
Intangible Assets Estimated Fair Value		59,732,000
Goodwill		55,632,000
Goodwill assets expected to be deductible for tax purposes		0
Revenues							$ 49,400,000
Income (loss) before income taxes							(1,200,000)
Amortization of inventory fair value adjustments and purchased intangible assets							$ 6,000,000.0
World of Medicine GmbH | Revolving Credit Facility
Business Acquisition [Line Items]
Amount borrowing under finance acquisition		$ 134,800,000	€ 118.0
Laser Quantum
Business Acquisition [Line Items]
Percentage of shares acquired	24.00%			35.00%
Purchase price	$ 45,100,000			$ 87,271,000
Intangible Assets Estimated Fair Value				38,955,000
Goodwill				31,168,000
Goodwill assets expected to be deductible for tax purposes				0
Revenues											$ 44,700,000
Income (loss) before income taxes											11,300,000
Amortization of inventory fair value adjustments and purchased intangible assets											7,100,000
Cash consideration	$ 30,700,000			$ 31,052,000	£ 25.5
Percentage of equity interest held before acquisition				41.00%											41.00%
Percentage of equity interest held after acquisition				76.00%
Gain on business acquisition												26,400,000
Option to purchase and sell remaining shareholders shares, year								2020
Gain (loss) recognized on acquisition									$ 0
Laser Quantum | Restricted Stock
Business Acquisition [Line Items]
Business combination number of shares acquired | shares	213,219							213,000	213,000
Laser Quantum | Remaining Shareholders of Laser Quantum
Business Acquisition [Line Items]
Non controlling interest held by remaining shareholders				24.00%
Laser Quantum | Revolving Credit Facility
Business Acquisition [Line Items]
Amount borrowing under finance acquisition				$ 30,000,000.0
ThingMagic
Business Acquisition [Line Items]
Purchase price				19,089,000
Intangible Assets Estimated Fair Value				7,423,000
Goodwill				9,929,000
Revenues											8,600,000
Income (loss) before income taxes											400,000
Amortization of inventory fair value adjustments and purchased intangible assets											$ 1,500,000
ThingMagic | Revolving Credit Facility
Business Acquisition [Line Items]
Amount borrowing under finance acquisition				$ 12,000,000.0
World of Medicine GmbH and Laser Quantum
Business Acquisition [Line Items]
Gain on business acquisition												26,400,000
Amortization of inventory fair value adjustments												4,400,000
Acquisition and related charges												4,300,000
Income from equity method investments												100,000
World of Medicine GmbH and Laser Quantum | Increase in Amortization of Intangible Assets
Business Acquisition [Line Items]
Amortization of intangible assets including cost of goods sold amortization												5,300,000
World of Medicine GmbH and Laser Quantum | Increase in Interest Expense
Business Acquisition [Line Items]
Interest expense												$ 1,400,000

[1] For the year ended December 31, 2018, 54 non-GAAP EPS performance-based restricted stock units granted to certain members of the executive management team and 213 shares of restricted stock issued to Laser Quantum former non-controlling interest shareholders were considered contingently issuable shares and were excluded from the calculation of the denominator as the contingent conditions had not been met as of December 31, 2018.

[2] For the year ended December 31, 2017, 59 non-GAAP EPS performance-based restricted stock units granted to certain members of the executive management team were excluded from the calculation of the denominator as the contingent conditions had not been met as of December 31, 2017.