Tax (expense) benefit recognized by the parent company in accordance with an intercompany tax sharing agreement.

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Gain (loss) after tax expense or benefit, not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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This element represents the overall income (loss) from a disposal group apportioned to the parent that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount which may be allocable to noncontrolling interests, if any. Includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).

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Discontinued Operations (Details) (USD $)	3 Months Ended		9 Months Ended		1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended		1 Months Ended		3 Months Ended		9 Months Ended
Discontinued Operations (Details) (USD $)	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Jul. 31, 2010 SunCor	Sep. 30, 2011 SunCor	Sep. 30, 2010 SunCor	Jun. 30, 2010 SunCor	Sep. 30, 2011 SunCor	Sep. 30, 2010 SunCor	Aug. 31, 2011 APSES	Jun. 30, 2010 APSES	Sep. 30, 2011 APSES	Sep. 30, 2010 APSES	Sep. 30, 2011 APSES	Sep. 30, 2010 APSES
Discontinued Operations
Proceeds from sale of discontinued operations					$ 70,000,000
Real estate impairment charges								17,000,000
After-tax gain from discontinued operations				41,973,000							10,000,000	25,000,000
Revenue	12,000,000	26,000,000	40,000,000	80,000,000		1,000,000	4,000,000		4,000,000	25,000,000			11,000,000	22,000,000	36,000,000	55,000,000
Income (loss) before taxes	16,000,000	15,000,000	18,000,000	38,000,000		(2,000,000)	14,000,000		(2,000,000)	(10,000,000)			18,000,000	1,000,000	20,000,000	48,000,000
Income (loss) after taxes	9,521,000	9,486,000	10,908,000	23,170,000		(1,000,000)	8,000,000		(1,000,000)	(6,000,000)			10,000,000	1,000,000	12,000,000	29,000,000
Tax benefit in accordance with an intercompany tax sharing agreement	$ 1,000,000	$ (6,000,000)	$ 1,000,000	$ 4,000,000