| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | MANNING & NAPIER ADVISORS INC | 9,005,962 | 7.71 | $173,274,708 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 6,048,552 | 5.18 | $116,374,140 | 30-Sep-09 | | SELECT EQUITY GROUP, INC. | 5,193,235 | 4.45 | $99,917,841 | 30-Sep-09 | | Perkins Investment Management, LLC | 4,813,218 | 4.12 | $92,606,314 | 30-Sep-09 | | HEALTHCOR MANAGEMENT LP | 4,300,000 | 3.68 | $82,732,000 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 4,076,969 | 3.49 | $78,440,883 | 30-Sep-09 | | Allianz Global Investors of America L.P. | 4,007,722 | 3.43 | $77,108,571 | 30-Sep-09 | | HARRIS ASSOCIATES L.P. | 3,707,400 | 3.18 | $71,330,376 | 30-Sep-09 | | STATE STREET CORPORATION | 3,424,733 | 2.93 | $65,891,862 | 30-Sep-09 | | Findlay Park Parnters LLP | 3,077,254 | 2.64 | $59,206,366 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | JANUS PERKINS MID CAP VALUE FUND | 3,600,000 | 3.08 | $69,264,000 | 30-Sep-09 | | Allianz Fds-NFJ Small Cap Value Fd | 3,288,772 | 2.82 | $60,020,089 | 31-Aug-09 | | OAKMARK EQUITY AND INCOME FUND | 2,500,000 | 2.14 | $43,500,000 | 30-Jun-09 | | VANGUARD SMALL-CAP INDEX FUND | 1,417,392 | 1.21 | $24,662,620 | 30-Jun-09 | | LORD ABBETT SMALL CAP BLEND FUND | 1,207,400 | 1.03 | $21,286,462 | 31-Jul-09 | | VANGUARD 500 INDEX FUND | 1,116,282 | .96 | $19,423,306 | 30-Jun-09 | | CALAMOS GROWTH FUND | 1,100,000 | .94 | $21,164,000 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 1,086,115 | .93 | $18,898,401 | 30-Jun-09 | | SPDR TRUST SERIES 1 | 1,079,721 | .92 | $26,960,633 | 30-Sep-08 | | PENNSYLVANIA MUTUAL FUND INC | 973,420 | .83 | $16,937,508 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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1.48% Nasdaq 
Major Holders
