Profit sharing contribution partially paid in stock.

No definition available.

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- Definition

Restricted stock repurchased withheld or forfeited.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options granted and issued in period.

+ References

No definition available.

+ Details

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- Definition

Shares issued for settlement.

+ References

No definition available.

+ Details

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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 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=27012166&loc=d3e187085-122770

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

+ Details

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

+ Details

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Stockholders' Equity - Summary of Changes in Common Stock (Detail)	0 Months Ended	12 Months Ended			1 Months Ended
	Jun. 13, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 28, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares, beginning of year		205,707,580us-gaap_CommonStockSharesIssued	204,660,621us-gaap_CommonStockSharesIssued	202,528,616us-gaap_CommonStockSharesIssued
Shares issued for Grace Settlement		18,000,000see_SharesIssuedForSettlement
Restricted stock shares issued for new awards under the Omnibus Incentive Plan and 2005 Contingent Stock Plan		572,089	398,230	703,620
Shares issued for vested restricted stock units		136,197	98,550	100,200
Number of shares issued, end of year		224,683,653us-gaap_CommonStockSharesIssued	205,707,580us-gaap_CommonStockSharesIssued	204,660,621us-gaap_CommonStockSharesIssued
Number of shares held, beginning of year		9,508,908us-gaap_TreasuryStockShares	10,102,952us-gaap_TreasuryStockShares	10,466,431us-gaap_TreasuryStockShares
Number of common stock shares repurchased	3,932,244us-gaap_TreasuryStockSharesAcquired	1,495,188us-gaap_TreasuryStockSharesAcquired
Number of shares held, end of year		14,151,759us-gaap_TreasuryStockShares	9,508,908us-gaap_TreasuryStockShares	10,102,952us-gaap_TreasuryStockShares
Common Stock in Treasury [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common stock shares repurchased		5,427,432
Profit sharing contribution partially paid in stock		(965,238)	(857,754)	(930,089)
Restricted stock, withheld or forfeited		180,657	263,710	566,610
2002 Directors Stock Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted and issued under the Directors Stock Plan		21,128	25,993	37,824
2011 Three-year PSU Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock shares issued for new awards under the Omnibus Incentive Plan and 2005 Contingent Stock Plan		145,597			145,597
2010 Three-year PSU Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock shares issued for new awards under the Omnibus Incentive Plan and 2005 Contingent Stock Plan			472,865
2009 Three-year PSU Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock shares issued for new awards under the Omnibus Incentive Plan and 2005 Contingent Stock Plan				1,155,018
Restricted Stock SLO Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock shares issued for SLO awards		101,062	51,321	135,343