Income Taxes Income tax disclosure (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

Income from continuing operations before taxes consisted of the following (in thousands): 

	Year Ended December 31,
	2019		2018			2017
United States	$	32,849	$	(8,600	)	$	59,872
Foreign	81,858		30,974			(8,589		)
	$	114,707	$	22,374		$	51,283

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The (benefit) provision for income taxes consisted of the following (in thousands):

	Year Ended December 31,
	2019			2018			2017
Current:
Federal	$	6,851		$	492		$	2,774
State	2,532			1,865			2,263
Foreign	7,994			9,136			3,170
	17,377			11,493			8,207
Deferred:
Federal	$	(6,720	)	$	(9,118	)	$	(20,878	)
State	(325		)	(3,072		)	(4,619		)
Foreign	3,340			(5,722		)	(71		)
	(3,705		)	(17,912		)	(25,568		)
	$	13,672		$	(6,419	)	$	(17,361	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

A reconciliation of the provision for income taxes at the statutory rate to our effective tax rate is as follows (dollars in thousands):

	Year Ended December 31,
	2019					2018					2017
	Amount			Percent		Amount			Percent		Amount			Percent
Federal tax at the expected statutory rate	$	24,088		21.0	%	$	4,699		21.0	%	$	17,950		35.0	%
State income tax, net of federal effect	1,269			1.1	%	927			4.1	%	(403		)	(0.8	)%
Tax credits	(2,896		)	(2.5	)%	(4,961		)	(22.2	)%	(2,783		)	(5.4	)%
Global intangible low-taxed income	6,118			5.3	%	2,363			10.6	%	—			—	%
Foreign income tax differential	(5,939		)	(5.2	)%	(2,944		)	(13.2	)%	3,481			6.8	%
Stock based compensation	(8,446		)	(7.4	)%	(11,040		)	(49.3	)%	(18,958		)	(37.0	)%
Impact of the Tax Act	—			—	%	826			3.7	%	3,076			6.0	%
IP installment sale and repatriation	(2,118		)	(1.8	)%	3,252			14.5	%	3,367			6.6	%
Bargain purchase gain	—			—	%	—			—	%	(24,811		)	(48.4	)%
Section 162(m)	203			0.2	%	456			2.0	%	595			1.2	%
Other	1,393			1.2	%	3			0.1	%	1,125			2.2	%
	$	13,672		11.9	%	$	(6,419	)	(28.7	)%	$	(17,361	)	(33.8	)%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The components of our deferred income tax assets (liabilities) are as follows (in thousands):

	December 31,
	2019			2018
Deferred tax asset:
Accruals/other	2,632			11,109
Contingent consideration	—			12,451
Net operating loss carryforwards	—			12,686
Acquired future tax deductions	8,711			10,722
Stock-based compensation	9,654			10,775
Foreign currency translation adjustments	2,716			3,108
Tax credits	11,331			14,470
Inventory reserves	4,305			5,674
Allowance for doubtful accounts	4,242			830
Accrued restructuring	7,072			182
Chargebacks, discounts, customer concessions	20,975			—
Valuation allowance	(3,677		)	(5,436		)
	$	67,961		$	76,571
Deferred tax liability:
State income taxes	$	2,600		$	2,639
Foreign	997			612
Depreciation and amortization	23,839			35,387
Section 481(a) adjustment - change in accounting method	14,618			—
	$	42,054		$	38,638
Deferred tax asset, net	$	25,907		$	37,933

Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block]

The following table summarizes our cumulative gross unrecognized tax benefits (in thousands): 

	Year Ended December 31,
	2019			2018			2017
Beginning balance	$	10,824		$	6,527		$	2,000
Increases to prior year tax positions	138			—			77
Increases due to acquisitions	—			—			640
Increases to current year tax positions	4,231			4,536			3,992
Decreases to prior year tax positions	(3		)	(146		)	(12		)
Decrease related to lapse of statute of limitations	(163		)	(93		)	(170		)
Ending balance	$	15,027		$	10,824		$	6,527