Represents aggregate increase in permitted acquisition which is notable changes to financial covenants.

No definition available.

Name:	lci_AggregateIncreaseInPermittedAcquisition
Namespace Prefix:	lci_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount of maximum borrowing capacity Increases due to accordion feature.

+ References

No definition available.

+ Details

Name:	lci_LineOfCreditFacilityIncreasesInBorrowingCapacityDueToAccordionFeature
Namespace Prefix:	lci_
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.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ 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 210.5-02.19(b),22(b))

-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 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=lci_FirstAmendmentToLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=lci_RevolvingLoansAndSwinglineLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Bank Line of Credit (Details) - USD ($) $ in Millions	1 Months Ended
Bank Line of Credit (Details) - USD ($) $ in Millions	Dec. 31, 2013	Sep. 30, 2015	Apr. 21, 2015	Dec. 18, 2013
Line of credit
Bank Line of Credit
Availability under line of credit		$ 120.0
Line of credit \| Minimum
Bank Line of Credit
Commitment fee on the unused balance of the line of credit (as a percent)	0.20%
Line of credit \| Maximum
Bank Line of Credit
Commitment fee on the unused balance of the line of credit (as a percent)	0.30%
Amendment To Line Of Credit
Bank Line of Credit
Line of credit from Citibank, N.A.			$ 120.0	$ 50.0
Aggregate increase in permitted acquisitions			600.0
Increase in borrowing capacity due to accordion feature			30.0
Amendment To Line Of Credit \| Revolving loans and swingline loans
Bank Line of Credit
Line of credit from Citibank, N.A.			5.0
Amendment To Line Of Credit \| Letter of Credit
Bank Line of Credit
Line of credit from Citibank, N.A.			5.0
Amendment To Line Of Credit \| Minimum
Bank Line of Credit
Aggregate increase in permitted acquisitions			100.0
Amendment To Line Of Credit \| Maximum
Bank Line of Credit
Aggregate increase in permitted acquisitions			$ 200.0