Finite Lived Patents License Agreements Gross

No definition available.

Name:	ckp_FiniteLivedPatentsLicenseAgreementsGross
Namespace Prefix:	ckp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Total Identifiable Assets Accumulated Amortization

+ References

No definition available.

+ Details

Name:	ckp_TotalIdentifiableAssetsAccumulatedAmortization
Namespace Prefix:	ckp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Total Identifiable Intangible Assets Gross

+ References

No definition available.

+ Details

Name:	ckp_TotalIdentifiableIntangibleAssetsGross
Namespace Prefix:	ckp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date of an asset comprised of customer information, acquired in a business combination or other transaction, having a finite beneficial life.

+ References

+ Details

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

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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

- Details

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

- Definition

Useful life of finite-lived intangible assets, 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_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date of the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a reasonably expected period of economic benefit.

+ References

+ Details

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

- Definition

Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit.

+ References

+ Details

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

- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date of intangible assets not otherwise specified in the taxonomy having a reasonably expected period of economic benefit.

+ References

+ Details

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

Goodwill And Other Intangible Assets (Components Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified											6 Months Ended
	Jun. 30, 2013	Dec. 30, 2012	Jun. 30, 2013 Customer Lists [Member]	Dec. 30, 2012 Customer Lists [Member]	Jun. 30, 2013 Trade Name [Member]	Dec. 30, 2012 Trade Name [Member]	Jun. 30, 2013 Patents, License Agreements [Member]	Dec. 30, 2012 Patents, License Agreements [Member]	Jun. 30, 2013 Other Intangibles [Member]	Dec. 30, 2012 Other Intangibles [Member]	Jun. 30, 2013 Minimum [Member] Customer Lists [Member]	Jun. 30, 2013 Minimum [Member] Trade Name [Member]	Jun. 30, 2013 Minimum [Member] Patents, License Agreements [Member]	Jun. 30, 2013 Minimum [Member] Other Intangibles [Member]	Jun. 30, 2013 Maximum [Member] Customer Lists [Member]	Jun. 30, 2013 Maximum [Member] Trade Name [Member]	Jun. 30, 2013 Maximum [Member] Patents, License Agreements [Member]	Jun. 30, 2013 Maximum [Member] Other Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Amortizable Life Minimum (years)											6 years	1 year	3 years	2 years	20 years	30 years	14 years	6 years
Finite-lived customer lists, Gross Amount			$ 81,313	$ 81,895
Finite-lived trade name, Gross Amount					29,955	30,414
Finite-lived patents, license agreements, Gross Amount							60,115	60,682
Finite-lived other intangibles, Gross Amount									7,073	7,178
Total amortized finite-lived intangible assets, Gross Amount	178,456	180,169
Indefinite-lived trade names, Gross Amount					21,510	21,511
Total identifiable intangible assets, Gross Amount	199,966	201,680
Amortized finite-lived intangible assets, Gross Accumulated Amortization	129,780	126,730	52,527	50,215	19,204	19,143	51,437	50,826	6,612	6,546
Total identifiable assets accumulated amortization	$ 129,780	$ 126,730