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Noncash Investing and Financing Activities	9 Months Ended
Feb. 29, 2012
Noncash Investing and Financing Activities [Abstract]
Noncash Investing and Financing Activities	Note 8: Noncash Investing and Financing Activities We had accounts payable and other accruals related to acquired rental and lease equipment totaling $4,323 and $4,860 as of February 29, 2012 and May 31, 2011, respectively, and $7,276 and $6,167 as of February 28, 2011 and May 31, 2010, respectively, all of which amounts were subsequently paid. During the nine months ended February 29, 2012 and the fiscal year ended May 31, 2011, we transferred $623 and $520, respectively, of demonstration equipment, included in other assets, to rental and lease equipment. There were no similar activities for the nine months ended February 28, 2011 or the fiscal year ended May 31, 2010.

Noncash Investing and Financing Activities

9 Months Ended

Feb. 29, 2012

Noncash Investing and Financing Activities [Abstract]

Noncash Investing and Financing Activities

Note 8: Noncash Investing and Financing Activities

We had accounts payable and other accruals related to acquired rental and lease equipment totaling $4,323 and $4,860 as of February 29, 2012 and May 31, 2011, respectively, and $7,276 and $6,167 as of February 28, 2011 and May 31, 2010, respectively, all of which amounts were subsequently paid. During the nine months ended February 29, 2012 and the fiscal year ended May 31, 2011, we transferred $623 and $520, respectively, of demonstration equipment, included in other assets, to rental and lease equipment. There were no similar activities for the nine months ended February 28, 2011 or the fiscal year ended May 31, 2010.