Debt Instrument, Additional Basis Rate

No definition available.

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- Definition

Line of Credit Facility, Interest Rate Margins Increase

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	side_LineOfCreditFacilityRemainingBorrowingCapacityThresholdForCommitmentFeePercentage
Namespace Prefix:	side_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Ownership Percent of Guarantor Subsidiaries Part to Revolving Credit Agreement Amendment

+ References

No definition available.

+ Details

Name:	side_OwnershipPercentOfGuarantorSubsidiariesPartToRevolvingCreditAgreementAmendment
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Data Type:	num:percentItemType
Balance Type:	na
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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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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
Namespace Prefix:	us-gaap_
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

Name:	us-gaap_LineOfCreditFacilityAmountOutstanding
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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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Balance Type:	na
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- Details

Name:	us-gaap_LineOfCreditFacilityLineItems
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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

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

Long-Term Debt - (ABL Facilities) (Details) (USD $)					3 Months Ended		1 Months Ended		3 Months Ended					3 Months Ended												12 Months Ended			12 Months Ended
Long-Term Debt - (ABL Facilities) (Details) (USD $)	Mar. 30, 2013 Line of credit	Apr. 26, 2012 Line of credit US and Canadian restricted subsidiaries	Mar. 30, 2013 US facility	Mar. 31, 2012 Canadian facility	Mar. 30, 2013 LIBOR US facility	Mar. 30, 2013 CDOR Canadian facility	Mar. 30, 2013 One-month LIBOR US facility	Mar. 30, 2013 30 Day CDOR Canadian facility	Mar. 30, 2013 US prime rate US facility	Mar. 30, 2013 Canadian primate rate Canadian facility	Mar. 30, 2013 Federal Funds Effective Rate US facility	Mar. 30, 2013 Orignial Agreement [Member] Line of credit	Oct. 31, 2010 Orignial Agreement [Member] Line of credit	Mar. 30, 2013 Orignial Agreement [Member] Line of credit Minimum	Mar. 30, 2013 Orignial Agreement [Member] Line of credit Maximum	Oct. 31, 2010 Orignial Agreement [Member] US facility	Oct. 31, 2010 Orignial Agreement [Member] Canadian facility	Mar. 30, 2013 Orignial Agreement [Member] LIBOR US facility	Mar. 30, 2013 Orignial Agreement [Member] CDOR US facility	Mar. 30, 2013 Orignial Agreement [Member] One-month LIBOR US facility	Mar. 30, 2013 Orignial Agreement [Member] 30 Day CDOR Canadian facility	Mar. 30, 2013 Orignial Agreement [Member] US prime rate US facility	Mar. 30, 2013 Orignial Agreement [Member] Canadian primate rate Canadian facility	Mar. 30, 2013 Orignial Agreement [Member] Federal Funds Effective Rate US facility	Apr. 26, 2012 Amended Agreement [Member] US facility Tranche A [Member]	Apr. 26, 2013 Amended Agreement [Member] US facility Tranche B [Member]	Apr. 26, 2012 Amended Agreement [Member] US facility Tranche B [Member]	Apr. 26, 2012 Amended Agreement [Member] Canadian facility Tranche A [Member]	Apr. 26, 2013 Amended Agreement [Member] Canadian facility Tranche B [Member]	Apr. 26, 2012 Amended Agreement [Member] Canadian facility Tranche B [Member]
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity													$ 225,000,000			$ 150,000,000	$ 75,000,000								$ 141,500,000		$ 8,500,000	$ 71,500,000		$ 3,500,000
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, Unused Capacity, 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, Interest Rate Margins Increase																										2.00%			2.00%
Line of credit facility, amount outstanding	90,400,000
Line of credit facility, remaining borrowing capacity	44,000,000
Line of credit facility, interest rate at period end			3.60%	5.10%
Letters of credit outstanding, amount	$ 11,400,000