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Segment Information (Tables) | 9 Months Ended
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Sep. 30, 2012
Revenues and Income Before Income Taxes |
|  | Housekeeping Services |  |  | Dietary Services |  |  | Corporate and Eliminations |  |  | Total |
Three Months Ended September 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 186,182,000 |  |  | $ | 86,377,000 |  |  | $ | 122,000 | (1) |  | $ | 272,681,000 |
Income before income taxes |  |  | 17,318,000 |  |  |  | 4,882,000 |  |  |  | (3,627,000 | ) (1) |  |  | 18,573,000 |
Three Months Ended September 30, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 164,095,000 |  |  | $ | 54,582,000 |  |  | $ | 252,000 | (1) |  | $ | 218,929,000 |
Income before income taxes |  |  | 14,707,000 |  |  |  | 2,663,000 |  |  |  | (2,181,000 | ) (1) |  |  | 15,189,000 |
Nine Months Ended September 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 550,579,000 |  |  | $ | 249,658,000 |  |  | $ | 159,000 | (1) |  | $ | 800,396,000 |
Income before income taxes |  |  | 52,445,000 |  |  |  | 13,556,000 |  |  |  | (15,362,000 | ) (1) |  |  | 50,639,000 |
Nine Months Ended September 30, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 479,238,000 |  |  | $ | 159,136,000 |  |  | $ | 452,000 | (1) |  | $ | 638,826,000 |
Income before income taxes |  |  | 48,097,000 |  |  |  | 8,653,000 |  |  |  | (14,505,000 | ) (1) |  |  | 42,245,000 |
(1) | Represents primarily corporate office cost and related overhead, recording of transactions at the reportable segment level which use methods other than U.S. GAAP and consolidated subsidiaries’ operating expenses that are not allocated to the reportable segments, net of investment and interest income.
Total Revenues from Client Services | The following revenues earned from clients are reported in accordance with U.S. GAAP and differ from segment revenues reported above due to the inclusion of adjustments used for segment reporting purposes by management. We earned total revenues from clients in the following service categories:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
Housekeeping services |  | $ | 124,049,000 |  |  | $ | 110,620,000 |  |  | $ | 367,599,000 |  |  | $ | 323,082,000 |
Laundry and linen services |  |  | 60,846,000 |  |  |  | 52,991,000 |  |  |  | 179,621,000 |  |  |  | 154,431,000 |
Dietary services |  |  | 86,528,000 |  |  |  | 54,784,000 |  |  |  | 249,735,000 |  |  |  | 159,556,000 |
Maintenance services and other |  |  | 1,258,000 |  |  |  | 534,000 |  |  |  | 3,441,000 |  |  |  | 1,757,000 |
|  | $ | 272,681,000 |  |  | $ | 218,929,000 |  |  | $ | 800,396,000 |  |  | $ | 638,826,000 |
Percentage Contribution of Major Customer to Revenue | We have one client, a nursing home chain (“Major Client”), which accounted for the respective percentages of our revenues as detailed below:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2012 |  | 2011 |  | 2012 |  | 2011
Total revenues |  |  |  | 7 | % |  |  |  | 9 | % |  |  |  | 7 | % |  |  |  | 9 | %
Housekeeping |  |  |  | 9 | % |  |  |  | 10 | % |  |  |  | 9 | % |  |  |  | 11 | %
Dietary services |  |  |  | 3 | % |  |  |  | 5 | % |  |  |  | 3 | % |  |  |  | 5 | %

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