Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2016

Intangible Assets and Goodwill [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The components of intangible assets as of December 31, 2016 were as follows (in thousands, except for useful life):



(in thousands)	Weighted Average Useful Life (Years)	Gross Carrying Amount		Accumulated Amortization			Net Book Value
Finite-lived intangible assets:
Acquired products rights ¹	10	$	216,690	$	(10,834	)	$	205,856
Customer relationships ¹	10	23,880		(1,194		)	22,686
		$	240,570	$	(12,028	)	$	228,542

¹ We acquired certain intangible assets as part of the Noden Transaction, as described further in Note 19.

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

Based on the intangible assets recorded at December 31, 2016, and assuming no subsequent additions to or impairment of the underlying assets, the remaining estimated amortization expense is expected to be as follows (in thousands):



Fiscal Year	Amount
2017	$	24,057
2018	24,057
2019	24,057
2020	24,057
2021	24,057
Thereafter	108,257
Total remaining estimated amortization expense	$	228,542