Balance Sheet Account Details (Tables)

12 Months Ended

Dec. 31, 2017

Balance Sheet Related Disclosures [Abstract]

Summary of Inventories

	December 31,
	2017		2016
Raw materials	$	22,252	$	9,297
Work-in-process (materials, labor and overhead)	22,813		7,990
Finished goods (materials, labor and overhead)	22,013		8,758
Total inventories	$	67,078	$	26,045

Property, Plant and Equipment

The following is a summary of property, plant and equipment (in thousands):

	December 31,
	2017			2016
Equipment, furniture and fixtures	$	75,728		$	61,972
Building and improvements	34,994			34,243
Leased instruments	32,458			24,014
Land	1,080			1,080
Total property, plant and equipment, gross	144,260			121,309
Less: accumulated depreciation and amortization	(82,675		)	(70,451		)
Total property, plant and equipment, net	$	61,585		$	50,858

Summary of Intangible Assets

Summary of Expected Future Annual Amortization Expense

The expected future annual amortization expense of the Company’s intangible assets is as follows (in thousands):

For the years ending December 31,	Amortization expense
2018	$	28,799
2019	27,542
2020	27,144
2021	26,996
2022	26,472
Thereafter	66,874
Total	$	203,827

Schedule of Other Current Liabilities

The following is a summary of other current liabilities (in thousands):

	December 31,
	2017		2016
Customer incentives	$	7,165	$	3,766
Accrued interest	442		227
Other	5,059		1,104
Total other current liabilities	$	12,666	$	5,097