Quarterly report pursuant to Section 13 or 15(d)

Equity and Long-Term Incentive Compensation Plans (Fair Value Assumptions) (Details)

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Equity and Long-Term Incentive Compensation Plans (Fair Value Assumptions) (Details) (USD $)
In Thousands, except Share data in Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Jun. 30, 2010
ESPP maximum employee subscription rate 10.00%
Employee stock purchase plan offering period 6 months
Share-based compensation arrangement, discount from market price, lesser of commencement of offering period or purchase date 85.00%
ESPP maximum annual share replenishment 2.0
Number of ESPP shares available for future issuance 1.7
Share-based Compensation Arrangement, Fair Value Assumptions and Methodology [Abstract]
Expected stock price volatility 29.10% 30.20%
Risk-free interest rate 0.10% 0.10%
Dividend yield 2.90% 3.30%
Expected life of options 6 months 6 months
Employee Stock Purchase Plan Additional Information [Abstract]
Tax benefits realized by the Company in connection with the disqualifying dispositions of shares purchased under the ESPP $ 786 $ 606
Weighted-average fair value per share based on Black-Scholes model $ 11.80 $ 10.54
Baidu