Debt Instrument, Additional Basis Rate

No definition available.

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- Definition

Line of Credit Facility, Interest Rate Margins Increase Applicable to Tranch B

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Remaining Borrowing Capacity Threshold For Commitment Fee, Percentage

+ References

No definition available.

+ Details

Name:	side_LineOfCreditFacilityRemainingBorrowingCapacityThresholdForCommitmentFeePercentage
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Period Type:	duration

- Definition

Ownership Percent of Guarantor Subsidiaries Part to Revolving Credit Agreement Amendment

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate
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- 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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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: 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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ 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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- Details

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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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.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
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Balance Type:	na
Period Type:	duration

Long-Term Debt - (ABL Facilities) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				3 Months Ended				9 Months Ended				9 Months Ended			1 Months Ended		1 Months Ended		3 Months Ended	1 Months Ended	3 Months Ended	1 Months Ended
	Sep. 29, 2012	Sep. 29, 2012 Line of credit	Oct. 31, 2010 Line of credit	Apr. 26, 2012 Line of credit US and Canadian restricted subsidiaries	Sep. 29, 2012 Line of credit Minimum	Sep. 29, 2012 Line of credit Maximum	Sep. 29, 2012 US facility	Oct. 31, 2010 US facility	Sep. 29, 2012 US facility Re-allocated to tranche B	Apr. 26, 2012 US facility Re-allocated to tranche B	Apr. 26, 2012 US facility Re-allocated as tranche A	Oct. 31, 2010 Canadian facility	Sep. 29, 2012 Canadian facility Re-allocated to tranche B	Apr. 26, 2012 Canadian facility Re-allocated to tranche B	Apr. 26, 2012 Canadian facility Re-allocated as tranche A	Sep. 29, 2012 LIBOR US facility	Oct. 31, 2010 LIBOR US facility	Sep. 29, 2012 CDOR Canadian facility	Sep. 29, 2012 One-month LIBOR US facility	Sep. 29, 2012 30 Day CDOR Canadian facility	Sep. 29, 2012 US prime rate US facility	Sep. 29, 2012 Canadian primate rate Canadian facility	Sep. 29, 2012 Federal Funds Effective Rate US facility
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity			$ 225.0					$ 150.0		$ 8.5	$ 141.5	$ 75.0		$ 3.5	$ 71.5		$ 150.0
Debt instrument, description of variable rate basis																LIBOR		CDOR	one-month LIBOR	30-day CDOR Rate	prime rate	Canadian prime	Federal Funds Effective Rate
Debt instrument, basis spread on variable rate																2.75%		2.75%	1.75%	1.75%	1.75%	1.75%	1.75%
Line of credit facility, commitment fee percentage					0.375%	0.50%
Line of credit facility, remaining borrowing capacity threshold for commitment fee, percentage	50.00%
Debt instrument, additional basis rate																			1.00%	1.00%			0.50%
Ownership percent of guarantor subsidiaries				100.00%
Line of credit facility, amount outstanding		90.1
Line of credit facility, remaining borrowing capacity		89.4
Line of credit facility, interest rate at period end							3.70%
Letters of credit outstanding, amount	$ 9.1
Line of credit facility, interest rate margins increase applicable to tranch B									2.00%				2.00%