CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 1,518.5	$ 760.0
Short-term investments	22.7	14.8
Accounts receivable, net of allowances of $30.0 in 2012 and $28.0 in 2011	549.6	489.8
Deferred tax assets, net	46.1	82.2
Other current assets	68.9	77.6
Total current assets	2,205.8	1,424.4
Property and equipment, net of accumulated depreciation of $297.9 in 2012 and $258.2 in 2011	315.6	326.8
Goodwill	646.3	642.9
Intangible assets, net	233.3	253.6
Deferred tax assets, net	156.8	146.4
Other assets	104.5	82.0
Total assets	3,662.3	2,876.1
Current liabilities:
Accounts payable and accrued liabilities	362.8	452.3
Unrecognized tax benefits		90.0
Current portion of long-term debt	95.6	71.3
Deferred revenue	524.5	520.4
Total current liabilities	982.9	1,134.0
Non-current portion of deferred revenue	92.9	97.7
Long-term debt	1,611.9	1,172.5
Deferred tax liabilities, net	52.5	49.6
Unrecognized tax benefits	144.6	115.4
Other liabilities	386.2	404.8
Total liabilities	3,271.0	2,974.0
Contingencies (Note 14)
Redeemable noncontrolling interest	69.2	60.5
Shareholders' equity (deficit):
Preferred stock, par value $.01 per share; 10,000,000 shares authorized; no shares issued and outstanding
Capital surplus	375.5	394.5
Retained earnings	4,634.1	4,176.1
Treasury stock, at cost; 120,028,264 and 120,462,232 shares of common stock at September 30, 2012 and December 31, 2011, respectively	(4,615.6)	(4,635.5)
Accumulated other comprehensive loss	(85.8)	(107.5)
Total Moody's shareholders' equity (deficit)	311.6	(169.0)
Noncontrolling interests	10.5	10.6
Total shareholders' equity (deficit)	322.1	(158.4)
Total liabilities, redeemable noncontrolling interest and shareholders' equity (deficit)	3,662.3	2,876.1
Series common stock
Shareholders' equity (deficit):
Common stock
Common Stock
Shareholders' equity (deficit):
Common stock	$ 3.4	$ 3.4