Inventories (Schedule of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Inventories [Line Items]
Raw materials and supplies	$ 58,045	$ 44,403
Work-in-process	22,061	9,834
Finished goods	90,618	63,070
Total inventories	170,724	117,307
Generic Products Not Yet Available to be Sold [Member]
Inventories [Line Items]
Total inventories	13,000
Generic Products Not Yet Available to be Sold [Member] | Strativa [Member]
Inventories [Line Items]
Total inventories	2,000
Pre-Launch Inventories [Member]
Inventories [Line Items]
Raw materials and supplies	10,104	6,308
Work-in-process	3,149	93
Finished goods	1,731	118
Total inventories	$ 14,984	$ 6,519