Nature of Business and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Effect of the Revisions to the Consolidated Statements of Cash Flows

The effect of the revisions to the consolidated statements of cash flows for the three months ended March 31, 2013, is as follows (in thousands):

	As Previously Reported		Adjustment		As Revised
Cash flows from operating activities:
Changes in operating assets and liabilities, net of effects from acquisitions:
Prepaid expenses and other current assets	(14,035	)	2,588		(11,447	)
Accounts payable and accrued expenses	7,838		(12,366	)	(4,528	)
Other non-current assets and liabilities	(2,257	)	(38	)	(2,295	)
Net cash provided by operating activities	103,040		(9,816	)	93,224
Cash flows from investing activities:
Purchases of property and equipment	(46,478	)	2,647		(43,831	)
Net cash used in investing activities	(86,886	)	2,647		(84,239	)
Cash flows from financing activities:
Proceeds related to the issuance of common stock under stock plans	3,195		7,169		10,364
Net cash used in financing activities	(50,279	)	7,169		(43,110	)
Net decrease in cash and cash equivalents	(36,714	)	—		(36,714	)