The period of time over which the termination fees of a debt agreement will be made in equal installments.

No definition available.

Name:	katy_EarlyTerminationFeePayableInstallmentPeriod
Namespace Prefix:	katy_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of debt agreement early termination fees payable.

+ References

No definition available.

+ Details

Name:	katy_LongTermDebtEarlyTerminationFeePayable
Namespace Prefix:	katy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount paid for the early termination of a long term debt agreement.

+ References

No definition available.

+ Details

Name:	katy_LongTermDebtEarlyTerminationFeePayment
Namespace Prefix:	katy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the percentage of excess cash flow necessary for the SL Borrowers to pay the lender under the Second Lien Credit Facility, if permitted under the intercreditor agreement with the SL Agent as long as no default or event of default has occurred or is continuing under the Encina Credit Agreement and certain other financial conditions are satisfied.

+ References

No definition available.

+ Details

Name:	katy_PercentageOfExcessCashFlowAllowableForDebtRepayment
Namespace Prefix:	katy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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 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

- 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

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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

- Definition

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

+ 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 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- 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

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

- Details

Name:	us-gaap_DebtInstrumentAxis=katy_BMOCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=katy_SecondLienCreditAgreementFifthAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=katy_EncinaCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=katy_SwingLineLoanLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=katy_LoansPayableAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=katy_LoansPayableBMember
Namespace Prefix:
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SUBSEQUENT EVENTS (Details) - USD ($) $ in Thousands		9 Months Ended
SUBSEQUENT EVENTS (Details) - USD ($) $ in Thousands	Nov. 16, 2016	Sep. 30, 2016	Sep. 25, 2015	Feb. 19, 2014
Subsequent Event [Line Items]
Proceeds from issuance of debt		$ 6,500	$ 24,000
BMO Credit Agreement [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity				$ 27,000
Letters of Credit [Member] \| BMO Credit Agreement [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity				$ 3,000
Subsequent Event [Member] \| BMO Credit Agreement [Member]
Subsequent Event [Line Items]
Early termination fee paid	$ 300
Early termination fee payable	$ 400
Early termination fee installment payment period	12 months
Subsequent Event [Member] \| Second Lien Credit Agreement Fifth Amendment [Member]
Subsequent Event [Line Items]
Percentage of excess cash flow	75.00%
Limit on annual consolidated expenditures	$ 4,000
Subsequent Event [Member] \| Revolving Credit Facility [Member] \| Encina Credit Agreement [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity	25,000
Proceeds from issuance of debt	$ 19,900
Debt instrument interest rate	5.25%
Debt instrument maturity date	Nov. 16, 2019
Subsequent Event [Member] \| Revolving Credit Facility [Member] \| Encina Credit Agreement [Member] \| LIBOR [Member]
Subsequent Event [Line Items]
Debt instrument variable base spread rate	0.50%
Subsequent Event [Member] \| Letters of Credit [Member] \| Encina Credit Agreement [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 2,500
Subsequent Event [Member] \| Swing Line Loans [Member] \| Encina Credit Agreement [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity	2,500
Subsequent Event [Member] \| Term Loan [Member] \| Term Loan A [Member]
Subsequent Event [Line Items]
Principal amount	$ 3,500
Debt instrument interest rate	5.75%
Subsequent Event [Member] \| Term Loan [Member] \| Term Loan A [Member] \| LIBOR [Member]
Subsequent Event [Line Items]
Debt instrument variable base spread rate	0.50%
Subsequent Event [Member] \| Term Loan [Member] \| Term Loan B [Member]
Subsequent Event [Line Items]
Principal amount	$ 3,100
Debt instrument interest rate	6.00%
Subsequent Event [Member] \| Term Loan [Member] \| Term Loan B [Member] \| LIBOR [Member]
Subsequent Event [Line Items]
Debt instrument variable base spread rate	0.50%