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Stockholders' Equity (Details 3) (PSUs [Member], USD $)	6 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Fair value of PSUs using Monte-Carlo simulation
Correlation coefficient		0.46
Risk-free interest rate		0.63%
Dividend yield		0.00%
Smith & Wesson Holding Corporation [Member]
Fair value of PSUs using Monte-Carlo simulation
Grant date fair market value		3.57
Volatility		67.67%
NASDAQ Composite Index [Member]
Fair value of PSUs using Monte-Carlo simulation
Grant date fair market value		2,781.91
Volatility		29.97%

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Share based compensation arrangement by share based payment award fair value assumptions correlation coefficient.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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