XML 90 R68.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Debt (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Apr. 28, 2017 USD ($)
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity, multiplier of adjusted EBITDA | 2.5 |  |
Revolving Credit Facility | Lines of credit | Revolving Credit Facility Maturing August 2018 |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity | $ 100,000,000.0 |  |
Maximum additional borrowing capacity | 150,000,000.0 |  |
Outstanding indebtedness | 0 | $ 0 |
Letters of credit, amount outstanding | $ 2,800,000 | 3,700,000 |
Total consolidated funded debt to adjusted EBITDA ratio, maximum (not more than) | 2.50 |  |
EBITDA to interest expense ratio, minimum (not less than) | 3.0 |  |
Covenant term, minimum liquidity (no less than) |  |  | $ 250,000,000.0
Wavier fee |  |  | 5.00%
Revolving Credit Facility | Lines of credit | Revolving Credit Facility Maturing August 2018 | Minimum |  |  |
Line of Credit Facility [Line Items] |  |  |
Unused capacity, commitment fee | 0.25% |  |
Revolving Credit Facility | Lines of credit | Revolving Credit Facility Maturing August 2018 | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Unused capacity, commitment fee | 0.375% |  |
Revolving Credit Facility | Lines of credit | Revolving Credit Facility Maturing August 2018 | Variable Rate Component One | Federal Funds Effective Swap Rate |  |  |
Line of Credit Facility [Line Items] |  |  |
Basis spread on variable rate | 0.50% |  |
Revolving Credit Facility | Lines of credit | Revolving Credit Facility Maturing August 2018 | Variable Rate Component One | Eurodollar |  |  |
Line of Credit Facility [Line Items] |  |  |
Basis spread on variable rate | 1.00% |  |
Revolving Credit Facility | Lines of credit | Revolving Credit Facility Maturing August 2018 | Variable Rate Component One | Eurodollar | Minimum |  |  |
Line of Credit Facility [Line Items] |  |  |
Additional spread on variable rate | 0.50% |  |
Revolving Credit Facility | Lines of credit | Revolving Credit Facility Maturing August 2018 | Variable Rate Component One | Eurodollar | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Additional spread on variable rate | 1.50% |  |
Revolving Credit Facility | Lines of credit | Revolving Credit Facility Maturing August 2018 | Variable Rate Component Two | Eurodollar | Minimum |  |  |
Line of Credit Facility [Line Items] |  |  |
Basis spread on variable rate | 1.50% |  |
Revolving Credit Facility | Lines of credit | Revolving Credit Facility Maturing August 2018 | Variable Rate Component Two | Eurodollar | Maximum |  |  |
Line of Credit Facility [Line Items] |  |  |
Basis spread on variable rate | 2.50% |  |
Letter of Credit | Lines of credit | Revolving Credit Facility Maturing August 2018 |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity | $ 20,000,000.0 |  |
Swingline loans | Lines of credit | Revolving Credit Facility Maturing August 2018 |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity | 10,000,000.0 |  |
Citibank Credit Facility | Lines of credit |  |  |
Line of Credit Facility [Line Items] |  |  |
Maximum borrowing capacity |  | 6,000,000.0 |
Letters of credit, amount outstanding | $ 2,600,000 | $ 2,200,000 |
Line of credit, expiration period |  | 3 years |
Line of credit, fixed interest rate short-term |  | 1.25% |
Line of credit, fixed interest rate long-term |  | 1.50% |

X
- Definition Debt Instrument, Additional Basis Spread On Variable Rate + References No definition available. + Details
Name: | fi_DebtInstrumentAdditionalBasisSpreadOnVariableRate
Namespace Prefix: | fi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Covenant Compliance, Debt Ratio, Maximum + References No definition available. + Details
Name: | fi_DebtInstrumentCovenantComplianceDebtToAdjustedEBITDARatioMaximum
Namespace Prefix: | fi_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Covenant Compliance, EBITDA To Interest Expense Ratio, Minimum + References No definition available. + Details
Name: | fi_DebtInstrumentCovenantComplianceEBITDAToInterestExpenseRatioMinimum
Namespace Prefix: | fi_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Waiver Fee as Percent of Lender’s Commitment, Percent + References No definition available. + Details
Name: | fi_DebtInstrumentWaiverFeeasPercentofLendersCommitmentPercent
Namespace Prefix: | fi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line Of Credit Facility, Maximum Borrowing Capacity, Multiplier Of Adjusted EBITDA + References No definition available. + Details
Name: | fi_LineOfCreditFacilityMaximumBorrowingCapacityMultiplierOfAdjustedEBITDA
Namespace Prefix: | fi_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line of Credit Facility, Covenant Term, Minimum Liquidity + References No definition available. + Details
Name: | fi_LineofCreditFacilityCovenantTermMinimumLiquidity
Namespace Prefix: | fi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line of Credit Facility, Maximum Borrowing Capacity, Potential Increase + References No definition available. + Details
Name: | fi_LineofCreditFacilityMaximumBorrowingCapacityPotentialIncrease
Namespace Prefix: | fi_
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 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 The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -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 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityExpirationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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

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 + 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

X
- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtPercentageBearingFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The portion of the carrying amount of short-term borrowings outstanding as of the balance sheet date which accrues interest at a set, unchanging rate. + References No definition available. + Details
Name: | us-gaap_ShortTermDebtPercentageBearingFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=fi_RevolvingCreditFacilityMaturingAugust2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | fi_VariableRateComponentAxis=fi_VariableRateComponentOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fi_VariableRateComponentAxis=fi_VariableRateComponentTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=fi_RevolvingCreditFacilitySwingLineLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=fi_CitibankCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |