XML 51 R27.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Senior Debt (Details) (USD $) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013
Senior Debt (Details) [Abstract] |  |  |
Event of default-3rd party ownership % of our voting stock | 35.00% | 35.00% |
Event of default-not satisfied or bonded judgment in excess of | $ 50,000,000 | $ 50,000,000 |
Maximum period allowed for pending judgment to satisfy or bond (in days) | 30 | 30 |
Debt Instrument [Line Items] |  |  |
Senior credit facilities, maximum amount | 900,000,000 | 900,000,000 |
Senior credit facilities, additional amount allowed | 250,000,000 | 250,000,000 |
Term loan, maximum facility | 225,000,000 | 225,000,000 |
Term loan, amount outstanding | 224,400,000 | 224,400,000 | 187,500,000
Term loans, periodic payment, principal | 562,500 |  |
Line of credit, maximum facility | 675,000,000 | 675,000,000 |
Line of credit, amount outstanding | 160,000,000 | 160,000,000 | 160,500,000
Letters of credit outstanding, amount | 104,700,000 | 104,700,000 |
Letters of credit, amount available | 410,300,000 | 410,300,000 |
Unsecured line of credit, maximum facility | 20,000,000 | 20,000,000 |
Unsecured line of credit, amount outstanding | 8,800,000 | 8,800,000 | 18,300,000
Interest Rate [Abstract] |  |  |
Interest rate terms | Borrowings under the Revolving Facility bear interest at varying rates equal to either the Eurodollar rate plus 1.50% to 2.75%, or the ABR rate plus 0.50% to 1.75%, at our election. |  |
Commitment fee percentage, minimum | 0.30% |  |
Commitment fee percentage, maximum | 0.50% |  |
Commitment fee percentage, actual | 0.45% |  |
Financial Covenants Ratios (Table Details) [Abstract] |  |  |
Required consolidated total leverage ratio, maximum | 4.50 | 4.50 |
Actual consolidated total leverage ratio | 3.17 | 3.17 |
Required consolidated senior secured leverage ratio, maximum | 2.75 | 2.75 |
Actual consolidated senior secured leverage ratio | 1.2 | 1.2 |
Required consolidated fixed charge coverage ratio, minimum | 1.5 | 1.5 |
Actual consolidated fixed charge coverage ratio | 1.83 | 1.83 |
Covenants [Abstract] |  |  |
Outstanding indebtedness less cash in excess of | 25,000,000 | 25,000,000 |
Consolidated funded debt outstanding | 900,200,000 | 900,200,000 |
Consolidated EBITDA |  | 283,700,000 |
Consolidated senior secured debt outstanding | 341,400,000 | 341,400,000 |
Adjusted consolidated EBITDA |  | 528,600,000 |
Consolidated fixed charges |  | $ 289,100,000 |
Eurodollar [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of variable rate basis | Eurodollar rate |  |
Alternate Base Rate [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of variable rate basis | ABR rate |  |
Revolving Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity date | Mar. 19, 2019 |  |
Margin on Eurodollar rate, actual | 2.25% | 2.25% |
Margin on ABR rate, actual | 1.25% | 1.25% |
Revolving Facility [Member] | Eurodollar [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis margin on variable rate | 2.75% |  |
Revolving Facility [Member] | Eurodollar [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis margin on variable rate | 1.50% |  |
Revolving Facility [Member] | Alternate Base Rate [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis margin on variable rate | 1.75% |  |
Revolving Facility [Member] | Alternate Base Rate [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Basis margin on variable rate | 0.50% |  |
Term Loan [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity date | Mar. 19, 2021 |  |
Margin on Eurodollar rate, actual | 3.00% | 3.00% |
Margin on ABR rate, actual | 2.00% | 2.00% |

X
- Definition Actual Consolidated Senior Secured Leverage Ratio + References No definition available. + Details
Name: | na_ActualConsolidatedSeniorSecuredLeverageRatio
Namespace Prefix: | na_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Actual maximum consolidated total leverage ratio. + References No definition available. + Details
Name: | na_ActualMaximumConsolidatedTotalLeverageRatio
Namespace Prefix: | na_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Actual minimum consolidated fixed charge coverage ratio. + References No definition available. + Details
Name: | na_ActualMinimumConsolidatedFixedChargeCoverageRatio
Namespace Prefix: | na_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Adjusted Consolidated Ebitda + References No definition available. + Details
Name: | na_AdjustedConsolidatedEbitda
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Commitment Fee Percentage, Maximum + References No definition available. + Details
Name: | na_CommitmentFeePercentageMaximum
Namespace Prefix: | na_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Commitment fee percentage, minimum. + References No definition available. + Details
Name: | na_CommitmentFeePercentageMinimum
Namespace Prefix: | na_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Consolidated Ebitda + References No definition available. + Details
Name: | na_ConsolidatedEbitda
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Consolidated fixed charges. + References No definition available. + Details
Name: | na_ConsolidatedFixedCharges
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Consolidated funded debt definition. + References No definition available. + Details
Name: | na_ConsolidatedFundedDebtDefinition
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Consolidated funded debt outstanding. + References No definition available. + Details
Name: | na_ConsolidatedFundedDebtOutstanding
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Consolidated Senior Secured Debt Outstanding + References No definition available. + Details
Name: | na_ConsolidatedSeniorSecuredDebtOutstanding
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Event of default - Allowed period for judgment. + References No definition available. + Details
Name: | na_EventOfDefaultAllowedPeriodForJudgment
Namespace Prefix: | na_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Event of default - Judgment. + References No definition available. + Details
Name: | na_EventOfDefaultJudgment
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

X
- Definition Letters of Credit, Remaining Capacity + References No definition available. + Details
Name: | na_LettersOfCreditRemainingCapacity
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Margin on ABR rate. + References No definition available. + Details
Name: | na_MarginonABRRate
Namespace Prefix: | na_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Margin on Eurodollar rate. + References No definition available. + Details
Name: | na_MarginOnEurodollarRate
Namespace Prefix: | na_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Our voting stock third party ownership percentage. + References No definition available. + Details
Name: | na_OurVotingStockThirdPartyOwnershipPercentage
Namespace Prefix: | na_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Required Consolidated Senior Secured Leverage Ratio, Maximum + References No definition available. + Details
Name: | na_RequiredConsolidatedSeniorSecuredLeverageRatioMaximum
Namespace Prefix: | na_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Required maximum consolidated total leverage ratio. + References No definition available. + Details
Name: | na_RequiredMaximumConsolidatedTotalLeverageRatio
Namespace Prefix: | na_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Required minimum consolidated fixed charge coverage ratio. + References No definition available. + Details
Name: | na_RequiredMinimumConsolidatedFixedChargeCoverageRatio
Namespace Prefix: | na_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Senior Credit Facilities, Additional Amount Allowed + References No definition available. + Details
Name: | na_SeniorCreditFacilitiesAdditionalAmountAllowed
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Senior credit facility maximum amount. + References No definition available. + Details
Name: | na_SeniorCreditFacilityMaximumAmount
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Term loan amount outstanding. + References No definition available. + Details
Name: | na_TermLoanAmountOutstanding
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Term loan maximum borrowing capacity. + References No definition available. + Details
Name: | na_TermLoanMaximumBorrowingCapacity
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Unsecured line of credit, amount outstanding + References No definition available. + Details
Name: | na_Unsecuredlineofcreditamountoutstanding
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Unsecured line of credit, maximum facility + References No definition available. + Details
Name: | na_Unsecuredlineofcreditmaximumfacility
Namespace Prefix: | na_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 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 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the required periodic payments applied to principal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 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 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 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

X
- 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