Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 189,318	$ 168,160
Investments	38,490	130,407
Accounts receivable, less allowance of $1,323 and $1,089, respectively	124,966	114,131
Deferred tax asset, net	7,524	3,892
Income tax receivable, net	4,427	3,942
Other	23,619	26,361
Total current assets	388,344	446,893
Property, equipment, and capitalized software, net	112,584	104,986
Investments in unconsolidated entities	30,428	38,714
Goodwill	378,969	326,450
Intangible assets, net	103,443	103,909
Other assets	6,407	9,716
Total assets	1,020,175	1,030,668
Current liabilities:
Accounts payable and accrued liabilities	38,495	42,131
Accrued compensation	67,692	71,403
Deferred revenue	150,051	149,225
Short-term debt	30,017	0
Other	4,632	6,786
Total current liabilities	290,887	269,545
Accrued compensation	6,905	8,193
Deferred tax liability, net	17,565	23,755
Deferred rent	23,460	23,938
Other long-term liabilities	10,839	13,947
Total liabilities	349,656	339,378
Morningstar, Inc. shareholders' equity:
Common stock, no par value, 200,000,000 shares authorized, of which 44,661,350 and 44,967,423 shares were outstanding as of September 30, 2014 and December 31, 2013, respectively	5	5
Treasury stock at cost, 7,809,277 shares as of September 30, 2014 and 7,202,896 shares as of December 31, 2013	(493,642)	(449,054)
Additional paid-in capital	553,172	539,507
Retained earnings	618,484	594,626
Accumulated other comprehensive income (loss):
Currency translation adjustment	(8,833)	4,609
Unrealized gain on available-for-sale securities	398	564
Total accumulated other comprehensive income (loss)	(8,435)	5,173
Total Morningstar, Inc. shareholders' equity	669,584	690,257
Noncontrolling interest	935	1,033
Total equity	670,519	691,290
Total liabilities and equity	$ 1,020,175	$ 1,030,668