Assets (Tables)

6 Months Ended

Jun. 30, 2018

Assets

Schedule of portion of Veeco's assets (excluding cash balances) that are measured at fair value on a recurring basis

	Level 1		Level 2		Level 3		Total
	(in thousands)
June 30, 2018
Short-term investments
U.S. treasuries	$	44,488	$	—	$	—	$	44,488
Corporate debt	—		8,604		—		8,604
Commercial paper	—		11,931		—		11,931
Total	$	44,488	$	20,535	$	—	$	65,023
December 31, 2017
Cash equivalents
U.S. treasuries	$	12,490	$	—	$	—	$	12,490
Total	$	12,490	$	—	$	—	$	12,490
Short-term investments
U.S. treasuries	$	33,895	$	—	$	—	$	33,895
Corporate debt	—		10,886		—		10,886
Commercial paper	—		2,999		—		2,999
Total	$	33,895	$	13,885	$	—	$	47,780

Schedule of amortized cost and fair value of available-for-sale securities

			Gross		Gross
	Amortized		Unrealized		Unrealized			Estimated
	Cost		Gains		Losses			Fair Value
	(in thousands)
June 30, 2018
U.S. treasuries	$	44,501	$	1	$	(14	)	$	44,488
Corporate debt	8,619		—		(15		)	8,604
Commercial paper	11,930		1		—			11,931
Total	$	65,050	$	2	$	(29	)	$	65,023
December 31, 2017
U.S. treasuries	$	33,914	$	—	$	(19	)	$	33,895
Corporate debt	10,894		—		(8		)	10,886
Commercial paper	2,999		—		—			2,999
Total	$	47,807	$	—	$	(27	)	$	47,780

Summary of fair value and unrealized losses of available-for-sale securities in a loss position

	June 30, 2018					December 31, 2017
			Gross					Gross
	Estimated		Unrealized			Estimated		Unrealized
	Fair Value		Losses			Fair Value		Losses
	(in thousands)
U.S. treasuries	$	25,387	$	(14	)	$	33,895	$	(19	)
Corporate debt	8,604		(15		)	10,886		(8		)
Total	$	33,991	$	(29	)	$	44,781	$	(27	)

Schedule of inventories

	June 30,		December 31,
	2018		2017
	(in thousands)
Materials	$	74,571	$	59,919
Work-in-process	44,301		37,222
Finished goods	27,067		23,125
Total	$	145,939	$	120,266

Schedule of property, plant, and equipment

	June 30,		December 31,
	2018		2017
	(in thousands)
Land	$	5,669	$	5,669
Building and improvements	59,301		54,449
Machinery and equipment(1)	120,467		126,829
Leasehold improvements	8,750		10,073
Gross property, plant, and equipment	194,187		197,020
Less: accumulated depreciation and amortization	114,919		111,962
Net property, plant, and equipment	$	79,268	$	85,058

(1) Machinery and equipment also includes software, furniture and fixtures

Schedule of intangible assets excluding goodwill

	June 30, 2018						December 31, 2017
			Accumulated						Accumulated
	Gross		Amortization				Gross		Amortization
	Carrying		and		Net		Carrying		and		Net
	Amount		Impairment		Amount		Amount		Impairment		Amount
	(in thousands)
Technology	$	307,588	$	260,471	$	47,117	$	307,588	$	133,121	$	174,467
Customer relationships	164,595		133,393		31,202		164,595		39,336		125,259
In-process R&D	43,340		35,900		7,440		43,340		—		43,340
Trademarks and tradenames	30,910		23,221		7,689		30,910		4,321		26,589
Other	3,686		3,552		134		3,686		3,498		188
Total	$	550,119	$	456,537	$	93,582	$	550,119	$	180,276	$	369,843

Schedule of estimated annual amortization expense, excluding in-process R&D for intangible assets with definite useful lives

	Amortization
	(in thousands)
2018	$	8,196
2019	16,211
2020	15,285
2021	12,164
2022	9,829
Thereafter	24,457
Total	$	86,142