Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 508,808	$ 370,741
Accounts receivable, net of allowances of $20.0 million and $47.0 million at September 30, 2015 and December 31, 2014, respectively	39,715	155,691
Inventory, net	114,265	81,450
Deferred tax assets	0	33,080
Prepaid expenses and other current assets	24,501	16,012
Total current assets	687,289	656,974
Fixed assets, net	37,946	40,060
Intangible assets, net	1,020,433	892,659
Goodwill	313,165	286,532
Restricted cash	1,442	1,446
Other assets	12,816	8,034
Total assets	2,073,091	1,885,705
Current liabilities:
Accounts payable	17,649	19,799
Accrued expenses	152,301	159,252
Current portion of contingent purchase price	68,400	210,422
Convertible senior notes	255,047	0
Deferred revenue	36,651	14,350
Total current liabilities	530,048	403,823
Contingent purchase price	135,907	140,712
Deferred tax liabilities	138,807	164,459
Convertible senior notes	318,464	246,676
Other liabilities	7,600	9,944
Total liabilities	1,130,826	965,614
Equity component of currently redeemable convertible senior notes (Note 10)	19,953	0
Stockholders' equity:
Preferred stock, $1.00 par value per share, 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.001 par value per share, 187,500,000 shares authorized; 71,565,394 issued and 69,372,412 outstanding at September 30, 2015 and 125,000,000 authorized; 67,667,468 issued and 65,474,486 outstanding at December 31, 2014, respectively	72	68
Additional paid-in capital	1,193,113	1,045,078
Treasury stock, at cost; 2,192,982 shares at September 30, 2015 and December 31, 2014, respectively	(50,000)	(50,000)
Accumulated deficit	(223,801)	(77,109)
Accumulated other comprehensive income	3,387	2,528
Total The Medicines Company stockholders' equity	922,771	920,565
Non-controlling interest in joint venture	(459)	(474)
Total stockholders' equity	922,312	920,091
Total liabilities and stockholders' equity	$ 2,073,091	$ 1,885,705