Joint Venture Percentage

Name:	omx_JointVenturePercentage
Namespace Prefix:	omx
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Letters Of Credit Weighted Average Rate

+ Details

Name:	omx_LettersOfCreditWeightedAverageRate
Namespace Prefix:	omx
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line Of Credit Facility Letters Of Credit Maximum Increase Or Reduced Capacity

+ Details

Name:	omx_LineOfCreditFacilityLettersOfCreditMaximumIncreaseOrReducedCapacity
Namespace Prefix:	omx
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum amount of letters of credit allowed under revolving credit agreement. Letters of credit are restrictions that reduce the borrowing capacity.

+ Details

Name:	omx_LineOfCreditFacilityLettersOfCreditMaximumIssuance
Namespace Prefix:	omx
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of cash paid for interest during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 29
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

+ Details

Name:	us-gaap_InterestPaid
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate
Namespace Prefix:	us-gaap
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects when the credit facility first became available, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInitiationDate
Namespace Prefix:	us-gaap
Data Type:	us-types:dateStringItemType
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 fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 13, 16
-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_OtherBorrowings
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt (Narrative) (Details) In Millions, unless otherwise specified	6 Months Ended					0 Months Ended	1 Months Ended	0 Months Ended	6 Months Ended
	Jun. 25, 2011 USD ($)	Jun. 26, 2010 USD ($)	Jun. 25, 2011 Revolving Loan [Member] Unsecured Debt [Member] Grupo OfficeMax [Member] USD ($)	Jun. 25, 2011 Secured Debt [Member] 54-Month Installment [Member] Grupo OfficeMax [Member] USD ($)	Jun. 25, 2011 Unsecured Debt [Member] 60-Month Installment [Member] Grupo OfficeMax [Member] USD ($)	Jul. 12, 2007 U.S. Credit Agreement [Member] USD ($)	Sep. 30, 2009 Canadian Credit Agreement [Member] CAD	Mar. 15, 2010 Australia/New Zealand Credit Agreement [Member] AUD	Jun. 25, 2011 Grupo OfficeMax [Member] USD ($)
Maximum borrowing capacity under the facility agreement						$ 700	60	80
Maximum borrowing increase or reduce capacity under the facility agreement						800	80
Maximum amount of letters of credit allowed per revolving credit agreement						250	10
Initiation date of credit agreement						July 12, 2007	September 30, 2009	March 15, 2010
Expiration date of credit agreement						July 12, 2012	July 12, 2012	March 15, 2013
Letters of credit weighted average rate						0.875%
Unused line fee rate of maximum available credit exceeded the average daily outstanding borrowings and letters of credit						0.25%
Joint venture percentage									51.00%
Other borrowings			1.7	5.0	7.1				13.8
Cash payments for interest, excluding payments related to the timber notes	$ 15.3	$ 16.7