• Paychex average return on investment for 2011-11-30 was 0, a 0% decline from 2012-02-29.
• Paychex average return on investment for 2012-02-29 was 0, a 0% decline from 2012-05-31.
• Paychex average return on investment for 2012-05-31 was 0, a 0% decline from 2012-08-31.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.