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Condensed Financial Information Of Registrant (Condensed Statements Of Operations) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| General and administrative expenses | $ 931,137 | $ 677,157 | $ 577,898 | ||||||||
| Investment and other income | 18,457 | 35,285 | 13,355 | ||||||||
| Interest Expense | (26,957) | (20,460) | (20,320) | ||||||||
| Earnings (loss) before income taxes | 268,917 | 122,791 | 188,350 | ||||||||
| Income tax expense | 107,080 | 47,412 | 70,687 | ||||||||
| Net earnings (loss) before equity in subsidiaries | 165,718 | (11,295) | 108,363 | ||||||||
| Net earnings attributable to Centene Corporation | 53,240 | 49,373 | 39,484 | 23,002 | 9,061 | 3,819 | (34,999) | 23,978 | 165,099 | 1,859 | 111,218 |
| Basic earnings (loss) per common share (in dollars per share) | $ 0.97 | $ 0.90 | $ 0.72 | $ 0.44 | $ 0.17 | $ 0.07 | $ (0.68) | $ 0.47 | $ 3.05 | $ 0.04 | $ 2.22 |
| Diluted earnings (loss) per common share (in dollars per share) | $ 0.93 | $ 0.87 | $ 0.72 | $ 0.42 | $ 0.17 | $ 0.07 | $ (0.68) | $ 0.45 | $ 2.94 | $ 0.03 | $ 2.12 |
| Basic | 54,126,545 | 51,509,366 | 50,198,954 | ||||||||
| Diluted | 56,247,173 | 53,714,375 | 52,474,238 | ||||||||
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Parent Company [Member]
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| General and administrative expenses | 4,196 | 4,090 | 4,488 | ||||||||
| Investment and other income | 983 | 19,921 | (8,790) | ||||||||
| Interest Expense | (22,623) | (15,757) | (15,494) | ||||||||
| Earnings (loss) before income taxes | (25,836) | 74 | (28,772) | ||||||||
| Income tax expense | (15,191) | (9,668) | (12,825) | ||||||||
| Net earnings (loss) before equity in subsidiaries | (10,645) | 9,742 | (15,947) | ||||||||
| Equity in earnings from subsidiaries | 171,863 | 78,791 | 136,465 | ||||||||
| Net earnings attributable to Centene Corporation | $ 161,218 | $ 88,533 | $ 120,518 | ||||||||
| Basic earnings (loss) per common share (in dollars per share) | $ 2.98 | $ 1.72 | $ 2.40 | ||||||||
| Diluted earnings (loss) per common share (in dollars per share) | $ 2.87 | $ 1.65 | $ 2.30 | ||||||||
| Basic | 54,126,545 | 51,509,366 | 50,198,954 | ||||||||
| Diluted | 56,247,173 | 53,714,375 | 52,474,238 | ||||||||