XML 69 R57.htm IDEA: XBRL DOCUMENT v3.19.1

Related Party Transactions (Details) $ in Thousands			3 Months Ended
	Dec. 18, 2018 USD ($)	Aug. 26, 2016	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)
Related Party Transaction [Line Items]
Operating lease right-of-use assets			$ 35,072
Operating lease liabilities			35,125
Conversion ratio, preferred stock to common stock		1
Percentage retained under tax receivable agreement		15.00%
Estimated termination payment			$ 46,100
Discount rate, tax receivable agreement liability			5.63%
Affiliated Entity
Related Party Transaction [Line Items]
Operating lease right-of-use assets			$ 7,600
Operating lease liabilities			8,400
Rent expense			$ 700	$ 2,200
Affiliated Entity | Mosing Holdings
Related Party Transaction [Line Items]
Percentage of tax benefits realized payable		85.00%
Cumulative deficit, period			36 months
Tax receivable agreement, estimated liability			$ 200
Real Property Acquisition From Mosing Companies | Affiliated Entity
Related Party Transaction [Line Items]
Purchase from related party	$ 37,000
Term for certain rights and obligations within agreement with related party	10 years

X

- Definition

Convertible Preferred Stock, Conversion Ratio

+ References

No definition available.

+ Details

Name:	fi_ConvertiblePreferredStockConversionRatio
Namespace Prefix:	fi_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Cumulative Earnings (Deficit), Period

+ References

No definition available.

+ Details

Name:	fi_CumulativeEarningsDeficitPeriod
Namespace Prefix:	fi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of Tax Benefits Realized Payable Under Tax Receivable Agreement

+ References

No definition available.

+ Details

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

X

- Definition

Percentage of Tax Benefits Retained Under Tax Receivable Agreement

+ References

No definition available.

+ Details

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

X

- Definition

Related Party Transaction, Term Of Establishing Terms

+ References

No definition available.

+ Details

Name:	fi_RelatedPartyTransactionTermOfEstablishingTerms
Namespace Prefix:	fi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tax Receivable Agreement, Liability

+ References

No definition available.

+ Details

Name:	fi_TaxReceivableAgreementLiability
Namespace Prefix:	fi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Tax Receivable Agreement, Liability, Discount Rate

+ References

No definition available.

+ Details

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

X

- Definition

Tax Receivable Agreement, Liability, Estimated Termination Payment

+ References

No definition available.

+ Details

Name:	fi_TaxReceivableAgreementLiabilityEstimatedTerminationPayment
Namespace Prefix:	fi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

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

X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=fi_MosingHoldingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=fi_RealPropertyAcquisitionFromMosingCompaniesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: