XML 111 R80.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Retirement Plans and Other Post-Retirement Benefits (Details 1) (USD $) In Millions, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Pension Benefits [Member] |  |
Amounts Recognized in Consolidated Balance Sheets |  |
Net amount recognized | $ 17.3 | $ 28.0
Pension Benefits [Member] | Other Assets Noncurrent [Member] |  |
Amounts Recognized in Consolidated Balance Sheets |  |
Net amount recognized | 53.7 | 59.8
Pension Benefits [Member] | Current Liabilities [Member] |  |
Amounts Recognized in Consolidated Balance Sheets |  |
Net amount recognized | (2.0) | (1.8)
Pension Benefits [Member] | Other Noncurrent Liabilities [Member] |  |
Amounts Recognized in Consolidated Balance Sheets |  |
Net amount recognized | (34.4) | (30.0)
Other Benefits [Member] |  |
Amounts Recognized in Consolidated Balance Sheets |  |
Net amount recognized | (63.0) | (51.5)
Other Benefits [Member] | Current Liabilities [Member] |  |
Amounts Recognized in Consolidated Balance Sheets |  |
Net amount recognized | (4.2) | (3.4)
Other Benefits [Member] | Other Noncurrent Liabilities [Member] |  |
Amounts Recognized in Consolidated Balance Sheets |  |
Net amount recognized | $ (58.8) | $ (48.1)

X
- Details
Name: | glt_AmountsRecognizedInConsolidatedBalanceSheetsAbstract
Namespace Prefix: | glt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 3: 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_DefinedBenefitPlanAmountsRecognizedInBalanceSheet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant