Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Schedule of milestone payments based on the attainment of certain sales levels [Table Text Block]

	Cumulative Sales Level
Prior 12 Month Sales	$500M		$1.0B		$2.0B		$3.0B		Each additional $1.0B up to $20.0B
	Payment Amount (In millions)
< $500 million	$	—	$	—	$	—	$	—	$	—
$500 million - $1.0 billion	22.0		25.0		50.0		50.0		50.0
$1.0 billion - $1.5 billion	—		50.0		100.0		100.0		100.0
$1.5 billion - $2.0 billion	—		—		150.0		150.0		150.0
$2.0 billion - $2.5 billion	—		—		200.0		200.0		200.0
$2.5 billion - $3.0 billion	—		—		—		250.0		250.0
> $3.0 billion	—		—		—		—		300.0