The level of beneficial ownership obtained by an outside party of the company's voting stock that would result in an event of default under the line of credit facility.

Name:	lz_DebtDefaultBeneficialOwnershipPercentageOfVotingStock
Namespace Prefix:	lz
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Default, Liabilities Related to Violations of Employee Benefit Plan

+ Details

Name:	lz_DebtDefaultLiabilitiesRelatedToViolationsOfEmployeeBenefitPlan
Namespace Prefix:	lz
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of any unstayed judgment that would cause an event of default under the company's credit agreements.

+ Details

Name:	lz_DebtDefaultUnstayedJudgmentsAmount
Namespace Prefix:	lz
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt To EBITDA Ratio

+ Details

Name:	lz_DebtToEBITDARatio
Namespace Prefix:	lz
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum ratio of debt to consolidated earnings before interest, income taxes, depreciation and amortization, extraordinary, unusual or non-recurring non-cash gains or losses, including the sale of property and equipment and goodwill impairments, and non-cash gains or losses from less than wholly owned subsidiaries and investments (Consolidated EBITDA) permitted under the line of credit facility.

+ Details

Name:	lz_DebtToEBITDARatioMaximum
Namespace Prefix:	lz
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

EBITDA To Interest Expense Ratio

+ Details

Name:	lz_EBITDAToInterestExpenseRatio
Namespace Prefix:	lz
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

The minimum ratio of consolidated earnings before interest, income taxes, depreciation and amortization, extraordinary, unusual or non-recurring non-cash gains or losses, including the sale of property and equipment and goodwill impairments, and non-cash gains or losses from less than wholly owned subsidiaries and investments (Consolidated EBITDA) to interest expense required under the line of credit facility.

+ Details

Name:	lz_EBITDAToInterestExpenseRatioMinimum
Namespace Prefix:	lz
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13433-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13476-108611

+ Details

Name:	us-gaap_DebtInstrumentFairValue
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Identification of whether the entity has been in compliance with any credit facility debt covenants during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4
-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 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

+ Details

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Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

DEBT - Additional Information (Detail) (USD $) In Millions, unless otherwise specified			6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 US And Euro Bank Credit Agreement	Jun. 30, 2011 US And Euro Bank Credit Agreement Minimum	Jun. 30, 2011 Euro Bank Credit Agreement Minimum	Jun. 30, 2011 US Bank Credit Agreement Minimum
Debt Instrument [Line Items]
Required ratio of debt to Consolidated EBITDA			3.5
Required ratio of Consolidated EBITDA to interest expense			3.5
Maintained ratio of debt to Consolidated EBITDA			1.1
Maintained ratio of Consolidated EBITDA to interest expense			12.5
Debt instrument, debt default					$ 25.0	$ 50.0
Debt default, beneficial ownership percentage of voting stock				20.00%
Debt default, liabilities related to violations of employee benefit plan				25.0
Line of credit facility covenant compliance			At June 30, 2011, the company had no borrowings outstanding under its bank credit agreements, was in compliance with all of its covenants and had not committed any acts of default.
Debt instruments, fair value	$ 1,616.3	$ 1,549.6