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The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the economic entity, including both controlling (parent) and noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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Equity impact of common stock cash dividends declared by an entity during the period. This element includes paid and unpaid dividends declared during the period.

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The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, after tax.

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Appreciation or loss in value (before reclassification adjustment) of the total of unsold securities during the period being reported on, net of tax. Reclassification adjustments include: (1) the unrealized holding gain (loss), net of tax, at the date of the transfer for a debt security from the held-to-maturity category transferred into the available-for-sale category. Also includes the unrealized gain (loss) at the date of transfer for a debt security from the available-for-sale category transferred into the held-to-maturity category; (2) the unrealized gains (losses) realized upon the sale of securities, after tax; and (3) the unrealized gains (losses) realized upon the write-down of securities, after tax.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Total of Stockholders' Equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 1
-Section B
-Paragraph 7
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

CONSOLIDATED CONDENSED STATEMENTS OF SHAREOWNERS' EQUITY (USD $) In Thousands	Total	Total Protective Life Corporation's shareowners' equity	Common Stock	Additional Paid-In-Capital	Treasury Stock	Retained Earnings	Net Unrealized Gains / (Losses) on Investments	Accumulated Gain / (Loss) Derivatives	Minimum Pension Liability Adjustments	Non controlling Interest	Comprehensive Income
Balance at Dec. 31, 2010	$ 3,330,103	$ 3,331,087	$ 44,388	$ 586,592	$ (26,072)	$ 2,432,925	$ 352,621	$ (11,802)	$ (47,565)	$ (984)
Increase (decrease) in shareowners' equity
Net income for the period	67,466	67,517				67,517				(51)	67,466
Change in net unrealized gains/losses on investments (net of income tax - Q2 2011 - $85,553; Q1 2011 - $17,907)	33,263	33,263					33,263				33,263
Reclassification adjustment for investment amounts included in net income (net of income tax: Q2 2011 - $(7,271); Q1 2011 - $(3,054))	(5,678)	(5,678)					(5,678)				(5,678)
Change in net unrealized gains/losses relating to other-than-temporary impaired investments for which a portion has been recognized in earnings (net of income tax: Q2 2011 - $(5,444); Q1 2011 - $(3,608))	(6,700)	(6,700)					(6,700)				(6,700)
Change in accumulated gain (loss) derivatives (net of income tax: Q2 2011 - $(1,777); Q1 2011 - $3,621)	6,724	6,724						6,724			6,724
Reclassification adjustment for derivative amounts included in net income (net of income tax: Q2 2011 - $238; Q1 2011 - $(361))	(671)	(671)						(671)			(671)
Change in postretirement benefits liability adjustment (net of income tax: Q2 2011 - ($451); Q1 2011 - ($451))	(838)	(838)							(838)		(838)
Comprehensive income for the period	93,566	93,617								(51)	93,566
Cash dividends (Q2 2011 - $0.16 per share; Q1 2011 - $0.14 per share)	(11,995)	(11,995)				(11,995)
Stock-based compensation	4,500	4,500		4,191	309
Balance at Mar. 31, 2011	3,416,174	3,417,209	44,388	590,783	(25,763)	2,488,447	373,506	(5,749)	(48,403)	(1,035)
Increase (decrease) in shareowners' equity
Net income for the period	93,364	93,068				93,068				296	93,364
Change in net unrealized gains/losses on investments (net of income tax - Q2 2011 - $85,553; Q1 2011 - $17,907)	158,888	158,888					158,888				158,888
Reclassification adjustment for investment amounts included in net income (net of income tax: Q2 2011 - $(7,271); Q1 2011 - $(3,054))	(13,508)	(13,508)					(13,508)				(13,508)
Change in net unrealized gains/losses relating to other-than-temporary impaired investments for which a portion has been recognized in earnings (net of income tax: Q2 2011 - $(5,444); Q1 2011 - $(3,608))	(10,111)	(10,111)					(10,111)				(10,111)
Change in accumulated gain (loss) derivatives (net of income tax: Q2 2011 - $(1,777); Q1 2011 - $3,621)	(3,299)	(3,299)						(3,299)			(3,299)
Reclassification adjustment for derivative amounts included in net income (net of income tax: Q2 2011 - $238; Q1 2011 - $(361))	443	443						443			443
Change in postretirement benefits liability adjustment (net of income tax: Q2 2011 - ($451); Q1 2011 - ($451))	(838)	(838)							(838)		(838)
Comprehensive income for the period	224,939	224,643								296	224,939
Cash dividends (Q2 2011 - $0.16 per share; Q1 2011 - $0.14 per share)	(13,719)	(13,719)				(13,719)
Repurchase of common stock	(24,893)	(24,893)			(24,893)
Stock-based compensation	1,998	1,998		1,668	330
Balance at Jun. 30, 2011	$ 3,604,499	$ 3,605,238	$ 44,388	$ 592,451	$ (50,326)	$ 2,567,796	$ 508,775	$ (8,605)	$ (49,241)	$ (739)