Refers to period of certain post-closing earnout payments described in "purchase agreement".

No definition available.

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

- Definition

Represents the percentage of amortization payments and annual excess cash flow prepayments of annual cash flow.

+ References

No definition available.

+ Details

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

- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e845-128460

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Acquisition Date

-URI http://asc.fasb.org/extlink&oid=6919109

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e848-128460

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

+ Details

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

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460

+ Details

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

- Definition

Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(2)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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

- 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

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

- 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=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: 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

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

- Definition

Date the credit facility terminates, 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 210.5-02.19(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

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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

+ Details

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

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

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

- Details

Name:	us-gaap_SubsequentEventLineItems
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Data Type:	xbrli:stringItemType
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=katy_SecondLienCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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SUBSEQUENT EVENT (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	0 Months Ended
	Mar. 27, 2015	Apr. 07, 2015	Feb. 19, 2014
Centrex Plastics, LLC [Member]
Subsequent Event [Line Items]
Effective date of acquisition	Apr. 07, 2015
General and Administrative Expense [Member]
Subsequent Event [Line Items]
Costs related to acquisition	0.3
Subsequent Event [Member] \| Centrex Plastics, LLC [Member]
Subsequent Event [Line Items]
Payments to acquire businesses		23.9
Post closing earnout Payments		2.3
Business acquisition annual payment period		3 years
BMO Credit Agreement [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity			27.0
Expiration date of Credit Facility	Feb. 17, 2017
BMO Credit Agreement [Member] \| Minimum [Member] \| Base Rate [Member]
Subsequent Event [Line Items]
Basis Spread (in hundredths)	0.50%
BMO Credit Agreement [Member] \| Minimum [Member] \| Eurodollar [Member]
Subsequent Event [Line Items]
Basis Spread (in hundredths)	1.50%
BMO Credit Agreement [Member] \| Minimum [Member] \| Federal Funds Rate [Member]
Subsequent Event [Line Items]
Basis Spread (in hundredths)	0.50%
BMO Credit Agreement [Member] \| Maximum [Member] \| Base Rate [Member]
Subsequent Event [Line Items]
Basis Spread (in hundredths)	1.00%
BMO Credit Agreement [Member] \| Maximum [Member] \| Eurodollar [Member]
Subsequent Event [Line Items]
Basis Spread (in hundredths)	2.00%
BMO Credit Agreement [Member] \| Maximum [Member] \| Federal Funds Rate [Member]
Subsequent Event [Line Items]
Basis Spread (in hundredths)	1.50%
BMO Credit Agreement [Member] \| Letter of Credit [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity			3.0
BMO Credit Agreement [Member] \| Amended Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity			33.0
Expiration date of Credit Facility	Apr. 07, 2018
BMO Credit Agreement [Member] \| Subsequent Event [Member] \| Minimum [Member] \| Federal Funds Rate [Member]
Subsequent Event [Line Items]
Basis Spread (in hundredths)	0.50%
BMO Credit Agreement [Member] \| Subsequent Event [Member] \| Maximum [Member] \| Federal Funds Rate [Member]
Subsequent Event [Line Items]
Basis Spread (in hundredths)	1.50%
Second Lien Credit Agreement [Member] \| Term Loan [Member]
Subsequent Event [Line Items]
Expiration date of Credit Facility	Apr. 06, 2019
Second Lien Credit Agreement [Member] \| Subsequent Event [Member] \| Term Loan [Member]
Subsequent Event [Line Items]
Variable rate basis description	LIBOR (One Month)
Debt instrument interest rate (in hundredths)		4.00%
Percentage of amortization payments and annual excess cash flow prepayments (in hundredths)		25.00%
Second Lien Credit Agreement [Member] \| Subsequent Event [Member] \| Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 24.0
Debt instrument interest rate (in hundredths)		9.50%