Debt Instrument, Additional Basis Spread On Variable Rate

No definition available.

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- Definition

Debt Instrument, Covenant, Consolidated EBITDA, Minimum

+ References

No definition available.

+ Details

Name:	fi_DebtInstrumentCovenantConsolidatedEBITDAMinimum
Namespace Prefix:	fi_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Federal Funds Effective Rate, Interest Rate Floor

+ References

No definition available.

+ Details

Name:	fi_FederalFundsEffectiveRateInterestRateFloor
Namespace Prefix:	fi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Covenant Term, Minimum Fixed Charges

+ References

No definition available.

+ Details

Name:	fi_LineofCreditFacilityCovenantTermMinimumFixedCharges
Namespace Prefix:	fi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line of Credit Facility, Covenant Term, Minimum Fixed Charges, Percentage

+ References

No definition available.

+ Details

Name:	fi_LineofCreditFacilityCovenantTermMinimumFixedChargesPercentage
Namespace Prefix:	fi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

- 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://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-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

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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

+ Details

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

- 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

- 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

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- 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

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Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
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- Details

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- Details

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- Details

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Subsequent Events - New Asset Based Loan Credit Facility (Details) - New ABL Credit Facility - Subsequent Event	Nov. 05, 2018 USD ($)	Nov. 06, 2018 USD ($)
Revolving Credit Facility
Subsequent Event [Line Items]
Covenant, consolidated EBITDA, minimum	1.0
Line of Credit Facility, Covenant Term, Minimum Fixed Charges	$ 12,500,000.0
Line of Credit Facility, Covenant Term, Minimum Fixed Charges, Percentage	15.00%
Secured Debt \| Revolving Credit Facility
Subsequent Event [Line Items]
Expiration period	5 years
Maximum borrowing capacity limit	$ 100,000,000
Maximum additional borrowing capacity	$ 200,000,000
Federal funds effective rate	0.00%
Basis spread on variable rate	0.50%
Credit facility, amount outstanding		$ 0
Available borrowing capacity		44,700,000
Secured Debt \| Letter of Credit
Subsequent Event [Line Items]
Maximum borrowing capacity limit	$ 15,000,000
Line of Credit \| Revolving Credit Facility
Subsequent Event [Line Items]
Letters of credit, amount outstanding		$ 0
Minimum \| Secured Debt \| Revolving Credit Facility
Subsequent Event [Line Items]
Commitment fee percentage	0.25%
Maximum \| Secured Debt \| Revolving Credit Facility
Subsequent Event [Line Items]
Commitment fee percentage	0.375%
Adjusted LIBO rate \| Secured Debt \| Revolving Credit Facility
Subsequent Event [Line Items]
Basis spread on variable rate	1.00%
ABR \| Minimum \| Secured Debt \| Revolving Credit Facility
Subsequent Event [Line Items]
Additional basis spread on variable rate	1.00%
ABR \| Maximum \| Secured Debt \| Revolving Credit Facility
Subsequent Event [Line Items]
Additional basis spread on variable rate	1.50%
Eurodollar \| Minimum \| Secured Debt \| Revolving Credit Facility
Subsequent Event [Line Items]
Basis spread on variable rate	2.00%
Eurodollar \| Maximum \| Secured Debt \| Revolving Credit Facility
Subsequent Event [Line Items]
Basis spread on variable rate	2.50%