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Schedule II - Valuation and Qualifying Accounts and Reserves | 12 Months Ended
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May 31, 2012
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts and Reserves | Valuation and Qualifying Accounts and Reserves
|  |  | Additions |  |  |  |  |
(In thousands) | Balance at Beginning of Year |  | (1) Charged to Costs and Expenses |  | (2) Charged to Other Accounts |  | (3) Deductions |  | Balance at End of Year
Allowance for Doubtful Accounts |  |  |  |  |  |  |  |  |
May 31, 2010 | $ | 19,532 |  |  | $ | 1,060 |  |  | $ | (167 | ) |  | $ | 6,128 |  |  | $ | 14,297 |
May 31, 2011 | $ | 14,297 |  |  | $ | 7,835 |  |  | $ | 43 |  |  | $ | 5,118 |  |  | $ | 17,057 |
May 31, 2012 | $ | 17,057 |  |  | $ | 5,165 |  |  | $ | 194 |  |  | $ | 5,399 |  |  | $ | 17,017 |
Reserve for Obsolete Inventory |  |  |  |  |  |  |  |  |
May 31, 2010 | $ | 48,353 |  |  | $ | (7,979 | ) |  | $ | (130 | ) |  | $ | 7,778 |  |  | $ | 32,466 |
May 31, 2011 | $ | 32,466 |  |  | $ | 1,626 |  |  | $ | (8 | ) |  | $ | 3,367 |  |  | $ | 30,717 |
May 31, 2012 | $ | 30,717 |  |  | $ | 4,247 |  |  | $ | (1,505 | ) |  | $ | 4,083 |  |  | $ | 29,376 |
(1) | Represents amounts charged to expense to increase reserve for estimated future bad debts or to increase reserve for obsolete inventory. Amounts related to inventory are computed by performing a thorough analysis of future marketability by specific inventory item.
(2) | Represents a change in the appropriate balance sheet reserve due to acquisitions during the respective period.
(3) | Represents reductions in the balance sheet reserve due to the actual write-off of non-collectible accounts receivable or the physical disposal of obsolete inventory items. These amounts do not impact Cintas' consolidated income statement.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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