Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Measurements

Schedule of assets and liabilities measured at fair value on a recurring basis

	Fair Value Measurements at September 30, 2015 Using:
			Quoted Prices in				Significant
			Active Markets for		Significant Other		Unobservable
			Identical Assets		Observable Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Money market funds	$	35,325	$	35,325	$	—	$	—
Corporate debt securities		173,606		—		173,606		—
Commercial paper		7,490		—		7,490		—
Certificates of deposit		10,001		—		10,001		—
Municipal securities		84,246		—		84,246		—
Total Assets	$	310,668	$	35,325	$	275,343	$	—
Liabilities:
Contingent consideration-Lumara Health	$	214,285	$	—	$	—	$	214,285
Contingent consideration-MuGard		8,660		—		—		8,660
Total Liabilities	$	222,945	$	—	$	—	$	222,945

	Fair Value Measurements at December 31, 2014 Using:
			Quoted Prices in
			Active				Significant
			Markets for		Significant Other		Unobservable
			Identical Assets		Observable Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Money market funds	$	77,254	$	77,254	$	—	$	—
Corporate debt securities		24,890		—		24,890		—
Total Assets	$	102,144	$	77,254	$	24,890	$	—
Liabilities:
Contingent consideration - Lumara Health	$	206,600	$	—	$	—	$	206,600
Contingent consideration - MuGard		12,102		—		—		12,102
Total Liabilities	$	218,702	$	—	$	—	$	218,702

Schedule of reconciliation of contingent consideration obligations related to acquisitions measured on recurring basis using Level 3 inputs

Balance as of December 31, 2014	$	218,702
Payments made		(322)
Adjustments to fair value of contingent consideration		4,525
Other adjustments		40
Balance as of September 30, 2015	$	222,945