XML 87 R60.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Secured Debt and Credit Facilities, Revolving Credit Facility (Details) (USD $) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2011 Minimum | Dec. 31, 2011 Line of Credit | Dec. 31, 2011 Letter of Credit | Sep. 30, 2011 Additional line of credit capacity allowed | Dec. 31, 2011 Amended and Current Revolving Credit Facility | Sep. 30, 2011 Amended and Current Revolving Credit Facility | Sep. 30, 2011 Then Existing Revolving Credit Facility
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum Borrowing Capacity |  |  |  | $ 60,000,000 | $ 350,000,000 | $ 300,000,000 | $ 300,000,000 | $ 200,000,000
Percentage of eligible accounts receivable for borrowing base |  |  | 85.00% |  |  |  |  |
Percentage of eligible inventory for borrowing base |  |  | 65.00% |  |  |  |  |
Percentage of net orderly liquidation value of eligible inventory |  |  | 85.00% |  |  |  |  |
Percent of eligible machinery and equipment for borrowing base |  |  | 85.00% |  |  |  |  |
Available borrowing capacity | 260,500,000 | 30,000,000 |  |  |  |  |  |
Remaining available borrowing capacity | 251,600,000 |  |  |  |  |  |  |
Outstanding Line of Credit |  |  | $ 0 | $ 8,900,000 |  |  |  |
Interest On Line Of Credit | 4.00% |  |  |  |  |  |  |
Fixed charge coverage ratio to be maintained on a consolidated basis | 1.1:1.0 |  |  |  |  |  |  |

X
- Definition Fixed Charge Coverage Ratio. + References No definition available. + Details
Name: | kalu_FixedChargeCoverageRatio
Namespace Prefix: | kalu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of eligible accounts receivable for borrowing base. + References No definition available. + Details
Name: | kalu_PercentageOfEligibleAccountsReceivableForBorrowingBase
Namespace Prefix: | kalu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of eligible inventory for borrowing base. + References No definition available. + Details
Name: | kalu_PercentageOfEligibleInventoryForBorrowingBase
Namespace Prefix: | kalu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of net orderly liquidation value of eligible inventory + References No definition available. + Details
Name: | kalu_PercentageOfNetOrderlyLiquidationValueOfEligibleInventory
Namespace Prefix: | kalu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percent of eligible machinery and equipment for borrowing base + References No definition available. + Details
Name: | kalu_PercentOfEligibleMachineryAndEquipmentForBorrowingBase
Namespace Prefix: | kalu_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: 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_LineOfCreditFacilityAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 2: 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 + Details
Name: | us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 2: 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 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- 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 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 Reference 3: 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 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 2: 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 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant