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Supplemental Guarantor Financial Information - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]
Percentage of ownership of certain subsidiaries	100.00%

X

- Definition

Subsidiary or Equity Method Investee Percentage Ownership Acquired

+ References

No definition available.

+ Details

Name:	clw_SubsidiaryOrEquityMethodInvesteePercentageOwnershipAcquired
Namespace Prefix:	clw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

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