Income Taxes from Continuing Operations (Tables)

12 Months Ended

Dec. 31, 2015

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

The income tax provision (benefit) from continuing operations consisted of the following (in thousands):

	Current		Deferred			Total
Year ended December 31, 2015
Federal	$	116,375	$	(41,477	)	$	74,898
State	11,113		(2,620		)	8,493
Foreign	—		(2,033		)	(2,033		)

	$	127,488	$	(46,130	)	$	81,358

Year ended December 31, 2014 (as Restated)
Federal	$	26,114	$	(14,222	)	$	11,892
State	2,347		(2,090		)	257
Foreign	4		(1,199		)	(1,195		)

	$	28,465	$	(17,511	)	$	10,954

Year ended December 31, 2013
Federal	$	27,985	$	(3,050	)	$	24,935
State	4,145		2,051			6,196
Foreign	—		(598		)	(598		)

	$	32,130	$	(1,597	)	$	30,533

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

Income tax expense differs from the “expected” tax expense computed by applying the U.S. Federal corporate income tax rates of 35% to income from continuing operations before income taxes, as follows (in thousands):

	Years Ended December 31,
	2015			2014 (as Restated)			2013
Computed “expected” tax expense	$	81,255		$	8,870		$	29,013
Change in income taxes resulting from:
State income taxes, net of Federal income tax	5,520			167			4,027
Foreign income tax expense (benefit)	(1,130		)	482			622
Deduction for domestic production activities	(6,882		)	(1,323		)	(1,361		)
R&D tax credits	(677		)	(508		)	(1,652		)
Nondeductible acquisition fees	165			2,823			—
Other expense (benefit), net	682			(673		)	(116		)
Valuation allowance change	2,425			1,116			—

Income tax expense	$	81,358		$	10,954		$	30,533

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

The geographical allocation of the Company’s income from continuing operations before income taxes between U.S. and foreign operations was as follows (in thousands):

	2015			2014 (as Restated)			2013
Pre-tax income from continuing U.S. operations	$	241,665		$	33,320		$	86,382
Pre-tax loss from continuing foreign operations	(9,509		)	(7,978		)	(3,487		)

Total pre-tax income from continuing operations	$	232,156		$	25,342		$	82,895

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

Net deferred income taxes at December 31, 2015 and 2014 include (in thousands):

	December 31, 2015						December 31, 2014 (as Restated)
	Current			Noncurrent			Current			Noncurrent
Deferred tax assets:
Net operating loss carry-forward	$	982		$	22,344		$	1,470		$	14,390
Stock-based compensation	—			9,032			—			6,618
Chargeback reserves	83			—			2,276			—
Reserve for product returns	17,932			—			16,932			—
Inventory valuation reserve	7,819			—			7,854			—
Long-term debt	—			9,448			—			—
Other	19,085			1,236			13,491			807

Total deferred tax assets	$	45,091		$	42,072		$	42,023		$	21,815
Valuation allowance	—			(8,807		)	—			(1,116		)

Net deferred tax assets	$	45,091		$	33,265		$	42,023		$	20,669

Deferred tax liabilities:
Prepaid expenses	$	(2,877	)	$	—		$	(1,993	)	$	—
Inventory step-up	—			—			(1,619		)	—
Unamortized discount — convertible notes	—			(267		)	—			(1,776		)
Depreciation & amortization — tax over book	—			(260,622		)	—			(286,267		)
Other	—			(1		)	—			—

Total deferred tax liabilities	$	(2,877	)	$	(260,890	)	$	(3,612	)	$	(288,043	)

Net deferred income tax asset (liability)	$	43,024		$	(227,625	)	$	38,411		$	(267,344	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

Based on its review as of December 31, 2015, the Company determined that it would not recognize tax benefits as follows (in thousands):

Balance at December 31, 2012	$	1,485
Additions relating to current year	589
Terminations of exposures relating to prior years	(1,229		)

Balance at December 31, 2013	$	845
Additions relating to current year (as Restated)	709
Additions relating to acquired entities (as Restated)	456

Balance at December 31, 2014 (as Restated)	$	2,010
Additions relating to current year	356
Payments of amounts relating to prior years	(81		)

Balance at December 31, 2015	$	2,285