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USD ($)
USD ($) / shares
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KeyName>12/31/2009
USD ($)
USD ($) / shares
$c00086http://www.sec.gov/CIK0000753308instant2009-12-31T00:00:000001-01-01T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli<
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 4
-Article 5
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