CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 731.8	$ 646.8
Expenses
Operating	200.8	185.5
Selling, general and administrative	227.0	168.8
Depreciation and amortization	23.6	23.5
Total expenses	451.4	377.8
Operating Income	280.4	269.0
Non-operating (expense) income, net
Interest expense, net	(22.0)	(10.3)
Other non-operating income (expense), net	8.8	(0.1)
Total non-operating (expense) income, net	(13.2)	(10.4)
Income before provisions for income taxes	267.2	258.6
Provision for income taxes	76.1	83.1
Net income	191.1	175.5
Less: Net income attributable to noncontrolling interests	2.7	2.0
Net income attributable to Moody's	$ 188.4	$ 173.5
Earnings per share attributable to Moody's common shareholders
Basic	$ 0.84	$ 0.78
Diluted	$ 0.83	$ 0.76
Weighted average number of shares outstanding
Basic	223.3	223.4
Diluted	227.2	227.4
Dividends declared per share attributable to Moody's common shareholders	$ 0.16	$ 0.14