Statement of Cash Flows (Notes)

6 Months Ended

Jun. 30, 2014

Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]

Statement of Cash Flows

Statement of Cash Flows

Supplemental disclosure of non-cash investing and financing activities:

Included in accounts payable and accrued expenses at June 30, 2014 and December 31, 2013 were $35.1 million and $16.1 million, respectively, of accrued capital expenditures. Included in accounts payable and accrued expenses at June 30, 2013 and December 31, 2012 were $8.1 million and $8.6 million, respectively, of accrued capital expenditures.

Pursuant to the application of authoritative guidance issued by the Financial Accounting Standards Board ("FASB") to the Company's lease of office and laboratory facilities in Tarrytown, New York, the Company recognized a facility lease obligation of $50.6 million and $4.7 million during the six months ended June 30, 2014 and 2013, respectively, in connection with capitalizing, on the Company's books, the landlord's costs of constructing new facilities that the Company has leased.