Minimum amount of pension contribution that has to be paid.

No definition available.

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Namespace Prefix:	tlx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Details

Name:	tlx_PensionPlanDetailsLineItems
Namespace Prefix:	tlx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This represents the current liability recognized in the balance sheet that is associated with the defined benefit pension plans.

+ 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 210.5-02.24)

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2417-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2410-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=21915240&loc=d3e1703-114919

+ Details

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

- Definition

This represents the noncurrent liability recognized in the balance sheet that is associated with the defined benefit pension plans.

+ References

+ Details

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

- Definition

The increase (decrease) during the reporting period in obligations for pension benefits attributed to past service that have not yet been expensed.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of cash or cash equivalents contributed by the entity to fund its pension plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
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Pension Plan (Details) (USD $)	3 Months Ended		9 Months Ended	12 Months Ended
Pension Plan (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2015
Pension Plan (Details) [Line Items]
Defined Benefit Pension Plan Liabilities, Current	$ 1,500,000
Defined Benefit Pension Plan, Liabilities, Noncurrent	5,100,000
Pension Contributions	469,000us-gaap_PensionContributions
Increase (Decrease) in Deferred Pension Costs	193,000	251,000
Subsequent Event [Member]
Pension Plan (Details) [Line Items]
Pension Contributions				1,400,000
Pension Contributions, Minimum Payment, Due			1,000,000
2009 Plan [Member]
Pension Plan (Details) [Line Items]
Increase (Decrease) in Deferred Pension Costs	285,000
2010 Plan [Member]
Pension Plan (Details) [Line Items]
Increase (Decrease) in Deferred Pension Costs	559,000
2012 Plan [Member]
Pension Plan (Details) [Line Items]
Increase (Decrease) in Deferred Pension Costs	$ 871,000