General and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following at December 31 (in thousands):



	2018		2017
Raw material	$	104,104	$	82,397
Work in process	52,909		42,304
Finished goods	154,150		163,956
Total	$	311,163	$	288,657

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consist of the following at December 31 (in thousands):



	2018			2017
Machinery and equipment	$	203,431		$	220,999
Land, building and building improvements	212,283			206,846
Molds	59,700			56,253
Computer equipment and software	80,420			44,408
Furniture and fixtures	7,409			7,361
Instruments placed with customers¹	60,757			15,812
Construction in progress	70,864			57,144
Total property, plant and equipment, cost	694,864			608,823
Accumulated depreciation	(262,223		)	(210,139		)
Net property, plant and equipment	$	432,641		$	398,684

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¹Instruments placed with customers consist of drug-delivery and monitoring systems placed with customer under operating leases.

All property, plant and equipment are stated at cost. We use the straight-line method for depreciating property, plant and equipment over their estimated useful lives. Estimated useful lives are:



Buildings	15 - 30 years
Building improvements	15 - 30 years
Machinery, equipment and molds	2 - 15 years
Furniture, fixtures and office equipment	2 - 5 years
Computer equipment and software	3 - 5 years
Instruments placed with customers¹	3 - 7 years

Schedule of Intangible Assets and Goodwill [Table Text Block]

The following table presents the changes in the carrying amount of our goodwill for 2018 and 2017 (in thousands):



	Total
Balance as of January 1, 2017	$	5,577
Goodwill acquired⁽¹⁾	6,536
Other⁽²⁾	244
Balance as of December 31, 2017	12,357
Goodwill acquired⁽³⁾	1,300
Other ⁽²⁾	(2,462		)
Balance as of December 31, 2018	$	11,195

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⁽¹⁾ In 2017, our Fannin (UK) Limited ("Fannin") acquisition resulted in $1.0 million of goodwill and our Medical Australia Limited ("MLA") acquisition resulted in $5.5 million of goodwill.

⁽²⁾ In 2018, "Other" relates to a $1.9 million measurement period adjustment on our MLA acquisition and foreign currency translation. In 2017, "Other" relates to foreign currency translation.

⁽³⁾In 2018, we acquired the consulting arm of True Process Inc., which resulted in $1.3 million of goodwill.

Intangible Assets

Intangible assets, carried at cost less accumulated amortization and amortized on a straight-lined basis, were as follows (in thousands):



	Weighted Average Amortization Life in Years	December 31, 2018
	Weighted Average Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	19,399	$	12,147	$	7,252
Customer contracts	9	5,319		5,272		47
Non-contractual customer relationships	9	57,916		13,363		44,553
Trademarks	4	425		425		—
Trade name	15	7,456		1,618		5,838
Developed technology	11	82,857		15,361		67,496
Total amortized intangible assets		$	173,372	$	48,186	$	125,186

IPR&D		$	8,235			$	8,235

Total intangible assets		$	181,607	$	48,186	$	133,421



	Weighted Average	December 31, 2017
	Amortization Life in Years	Cost		Accumulated Amortization		Net
Patents	10	$	17,064	$	10,970	$	6,094
Customer contracts	9	5,319		4,892		427
Non-contractual customer relationships	9	55,080		6,562		48,518
Trademarks	4	425		425		—
Trade name	15	7,310		1,096		6,214
Developed technology	11	81,846		7,571		74,275
Total		$	167,044	$	31,516	$	135,528

IPR&D		$	8,225			$	8,225

Total intangible assets		$	175,269	$	31,516	$	143,753

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

As of December 31, 2018 estimated annual amortization for our intangible assets for each of the next five years is approximately (in thousands):



2019	$	17,103
2020	16,126
2021	15,825
2022	15,681
2023	15,532
Thereafter	44,919
Total	$	125,186

Available-for-sale Securities [Table Text Block]

Our investment securities consist of the following (in thousands):



	December 31, 2018
	Amortized Cost		Unrealized Holding Gains (Losses)		Fair Value
Short-term corporate bonds	37,329		$	—	$	37,329
Long-term corporate bonds	2,025		—		2,025
Total investment securities	$	39,354	$	—	$	39,354

	December 31, 2017
	Amortized Cost		Unrealized Holding Gains (Losses)		Fair Value
Short-term corporate bonds	$	10,061	$	—	$	10,061
Long-term corporate bonds	14,579		—		14,579
Total investment securities	$	24,640	$	—	$	24,640

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents the calculation of net earnings per common share (“EPS”) — basic and diluted (in thousands except per share data):



	Year ended December 31, (in thousands, except per share data)
	2018		2017		2016
Net income	$	28,793	$	68,644	$	63,084
Weighted average number of common shares outstanding (basic)	20,394		19,614		16,168
Dilutive securities	1,207		1,244		1,086
Weighted average common and common equivalent shares outstanding (diluted)	21,601		20,858		17,254
EPS - basic	$	1.41	$	3.50	$	3.90
EPS - diluted	$	1.33	$	3.29	$	3.66