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Supplemental Condensed Consolidating Financial Statements - Condensed Consolidating Statement Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Jan. 03, 2015	Oct. 04, 2014	Jul. 05, 2014	Apr. 05, 2014	Jan. 02, 2016	Jan. 03, 2015	Jan. 04, 2014
Cash flows from operating activities:
Net income (loss)	$ (6,063)	$ 561	$ 2,870	$ (8,945)	$ (7,640)	$ (860)	$ 3,236	$ (8,608)	$ (11,576)	$ (13,872)	$ (40,618)
Adjustments to reconcile net loss to cash provided by (used in) operations:
Depreciation and amortization									9,741	9,473	9,117
Amortization of debt issuance costs									2,990	3,156	3,184
Gain (loss) from sale of properties									0	(5,251)	(5,220)
Severance charges									1,432	2,067	5,607
Intraperiod income tax allocation related to pension plan									0	0	(8,894)
Pension expense									730	901	4,591
Share-based compensation									1,827	3,840	6,117
Other									(1,968)	(148)	748
Equity (deficit) in earnings of subsidiaries									0	0	0
Intercompany receivable									0	0	0
Intercompany payable									0	0	0
Changes in operating assets and liabilities:
Accounts receivable									5,992	5,760	7,168
Inventories									15,886	(18,966)	6,479
Accounts payable									20,796	7,026	(17,585)
Prepaid assets									2,919	(942)	(3,062)
Quarterly pension contributions									(4,634)	(4,676)	(472)
Payments on restructuring liability									(726)	(2,805)	(3,057)
Other assets and liabilities									(3,482)	2,136	(3,984)
Net cash provided by (used in) operating activities									39,927	(12,301)	(39,881)
Cash flows from investing activities:
Investment in subsidiaries									0	0	0
Property and equipment investments									(1,561)	(3,016)	(4,912)
Proceeds from disposition of assets									760	7,368	10,365
Net cash (used in) provided by investing activities									(801)	4,352	5,453
Payments on capital lease obligations
Repurchase of shares to satisfy employee tax withholdings									(459)	(957)	(3,192)
Repayments on revolving credit facilities									(421,045)	(476,473)	(560,186)
Borrowings from revolving credit facilities									409,009	494,794	599,968
Principal payments on mortgage									(9,523)	(9,220)	(19,038)
Payments on capital lease obligations									(3,743)	(2,228)	(3,142)
(Decrease) increase in bank overdrafts									(9,993)	7,902	(16,007)
Proceeds from stock offering less expenses paid									0	0	38,715
Decrease in restricted cash related to the mortgage									(3,052)	(6,066)	0
Debt financing costs									0	0	(2,900)
Other									(34)	(315)	56
Net cash (used in) provided by financing activities									(38,840)	7,437	34,274
Increase (decrease) in cash									286	(512)	(154)
Cash, beginning of period				4,522				5,034	4,522	5,034	5,188
Cash, end of period	4,808				4,522				4,808	4,522	5,034
Supplemental Cash Flow Information
Net income tax payments during the period									693	210	332
Interest paid during the period									23,775	23,147	24,706
Noncash transactions:
Equipment under capital leases									5,075	1,108	5,069
BlueLinx Holdings
Cash flows from operating activities:
Net income (loss)									(12,634)	(13,872)	(40,618)
Adjustments to reconcile net loss to cash provided by (used in) operations:
Depreciation and amortization									0	0	0
Amortization of debt issuance costs									0	0	0
Gain (loss) from sale of properties										0	0
Severance charges									0	0	0
Intraperiod income tax allocation related to pension plan											0
Pension expense									0	0	0
Share-based compensation									335	1,590	904
Other									0	0	0
Equity (deficit) in earnings of subsidiaries									9,242	8,534	34,862
Intercompany receivable									(2,236)	(5,617)	5,527
Intercompany payable									3,276	4,259	(2,440)
Changes in operating assets and liabilities:
Accounts receivable									0	0	0
Inventories									0	0	0
Accounts payable									(29)	(376)	779
Prepaid assets									(7)	89	(14)
Quarterly pension contributions									0	0	0
Payments on restructuring liability									0	0	0
Other assets and liabilities									(29)	1,322	698
Net cash provided by (used in) operating activities									(2,082)	(4,071)	(302)
Cash flows from investing activities:
Investment in subsidiaries									2,082	4,359	(35,202)
Property and equipment investments									0	0	0
Proceeds from disposition of assets									0	0	0
Net cash (used in) provided by investing activities									2,082	4,359	(35,202)
Payments on capital lease obligations
Repurchase of shares to satisfy employee tax withholdings									0	(210)	(3,192)
Repayments on revolving credit facilities									0	0	0
Borrowings from revolving credit facilities									0	0	0
Principal payments on mortgage									0	0	0
Payments on capital lease obligations									0	0	0
(Decrease) increase in bank overdrafts									0	0	0
Proceeds from stock offering less expenses paid											38,715
Decrease in restricted cash related to the mortgage									0	0
Debt financing costs											0
Other									0	(98)	0
Net cash (used in) provided by financing activities									0	(308)	35,523
Increase (decrease) in cash									0	(20)	19
Cash, beginning of period				27				47	27	47	28
Cash, end of period	27				27				27	27	47
Supplemental Cash Flow Information
Net income tax payments during the period									0	0	0
Interest paid during the period									0	0	0
Noncash transactions:
Equipment under capital leases									0	0	0
BlueLinx Corporation and Subsidiaries
Cash flows from operating activities:
Net income (loss)									(19,423)	(23,534)	(49,205)
Adjustments to reconcile net loss to cash provided by (used in) operations:
Depreciation and amortization									6,713	6,405	5,700
Amortization of debt issuance costs									1,570	1,735	1,841
Gain (loss) from sale of properties										0	554
Severance charges									1,432	2,067	5,607
Intraperiod income tax allocation related to pension plan											(8,894)
Pension expense									730	901	4,591
Share-based compensation									1,492	2,250	5,213
Other									(1,968)	(148)	1,145
Equity (deficit) in earnings of subsidiaries									0	0	0
Intercompany receivable									(3,274)	(4,262)	2,440
Intercompany payable									2,234	5,620	(5,527)
Changes in operating assets and liabilities:
Accounts receivable									5,992	5,760	7,168
Inventories									15,886	(18,966)	6,479
Accounts payable									20,825	7,402	(17,973)
Prepaid assets									2,926	(1,031)	(3,048)
Quarterly pension contributions									(4,634)	(4,676)	(472)
Payments on restructuring liability									(726)	(2,805)	(3,057)
Other assets and liabilities									(2,423)	1,721	(5,307)
Net cash provided by (used in) operating activities									27,352	(21,561)	(52,745)
Cash flows from investing activities:
Investment in subsidiaries									0	806	38,663
Property and equipment investments									(1,561)	(3,016)	(4,912)
Proceeds from disposition of assets									760	248	1,072
Net cash (used in) provided by investing activities									(801)	(1,962)	34,823
Payments on capital lease obligations
Repurchase of shares to satisfy employee tax withholdings									(459)	(747)	0
Repayments on revolving credit facilities									(421,045)	(476,473)	(560,186)
Borrowings from revolving credit facilities									409,009	494,794	599,968
Principal payments on mortgage									0	0	0
Payments on capital lease obligations									(3,743)	(2,228)	(3,142)
(Decrease) increase in bank overdrafts									(9,993)	7,902	(16,007)
Proceeds from stock offering less expenses paid											0
Decrease in restricted cash related to the mortgage									0	0
Debt financing costs											(2,900)
Other									(34)	(217)	16
Net cash (used in) provided by financing activities									(26,265)	23,031	17,749
Increase (decrease) in cash									286	(492)	(173)
Cash, beginning of period				4,495				4,987	4,495	4,987	5,160
Cash, end of period	4,781				4,495				4,781	4,495	4,987
Supplemental Cash Flow Information
Net income tax payments during the period									445	(40)	61
Interest paid during the period									12,795	11,490	11,226
Noncash transactions:
Equipment under capital leases									5,075	1,108	5,069
LLC Subsidiaries
Cash flows from operating activities:
Net income (loss)									10,181	15,000	14,343
Adjustments to reconcile net loss to cash provided by (used in) operations:
Depreciation and amortization									3,028	3,068	3,417
Amortization of debt issuance costs									1,420	1,421	1,343
Gain (loss) from sale of properties										(5,251)	(5,774)
Severance charges									0	0	0
Intraperiod income tax allocation related to pension plan											0
Pension expense									0	0	0
Share-based compensation									0	0	0
Other									0	0	(397)
Equity (deficit) in earnings of subsidiaries									0	0	0
Intercompany receivable									0	0	0
Intercompany payable									0	0	0
Changes in operating assets and liabilities:
Accounts receivable									0	0	0
Inventories									0	0	0
Accounts payable									0	0	(391)
Prepaid assets									0	0	0
Quarterly pension contributions									0	0	0
Payments on restructuring liability									0	0	0
Other assets and liabilities									(1,030)	(907)	625
Net cash provided by (used in) operating activities									13,599	13,331	13,166
Cash flows from investing activities:
Investment in subsidiaries									(1,024)	(5,165)	(3,461)
Property and equipment investments									0	0	0
Proceeds from disposition of assets									0	7,120	9,293
Net cash (used in) provided by investing activities									(1,024)	1,955	5,832
Payments on capital lease obligations
Repurchase of shares to satisfy employee tax withholdings									0	0	0
Repayments on revolving credit facilities									0	0	0
Borrowings from revolving credit facilities									0	0	0
Principal payments on mortgage									(9,523)	(9,220)	(19,038)
Payments on capital lease obligations									0	0	0
(Decrease) increase in bank overdrafts									0	0	0
Proceeds from stock offering less expenses paid											0
Decrease in restricted cash related to the mortgage									(3,052)	(6,066)
Debt financing costs											0
Other									0	0	40
Net cash (used in) provided by financing activities									(12,575)	(15,286)	(18,998)
Increase (decrease) in cash									0	0	0
Cash, beginning of period				0				0	0	0	0
Cash, end of period	0				0				0	0	0
Supplemental Cash Flow Information
Net income tax payments during the period									248	250	271
Interest paid during the period									10,980	11,657	13,480
Noncash transactions:
Equipment under capital leases									0	0	0
Eliminations
Cash flows from operating activities:
Net income (loss)									10,300	8,534	34,862
Adjustments to reconcile net loss to cash provided by (used in) operations:
Depreciation and amortization									0	0	0
Amortization of debt issuance costs									0	0	0
Gain (loss) from sale of properties										0	0
Severance charges									0	0	0
Intraperiod income tax allocation related to pension plan											0
Pension expense									0	0	0
Share-based compensation									0	0	0
Other									0	0	0
Equity (deficit) in earnings of subsidiaries									(9,242)	(8,534)	(34,862)
Intercompany receivable									5,510	9,879	(7,967)
Intercompany payable									(5,510)	(9,879)	7,967
Changes in operating assets and liabilities:
Accounts receivable									0	0	0
Inventories									0	0	0
Accounts payable									0	0	0
Prepaid assets									0	0	0
Quarterly pension contributions									0	0	0
Payments on restructuring liability									0	0	0
Other assets and liabilities									0	0	0
Net cash provided by (used in) operating activities									1,058	0	0
Cash flows from investing activities:
Investment in subsidiaries									(1,058)	0	0
Property and equipment investments									0	0	0
Proceeds from disposition of assets									0	0	0
Net cash (used in) provided by investing activities									(1,058)	0	0
Payments on capital lease obligations
Repurchase of shares to satisfy employee tax withholdings									0	0	0
Repayments on revolving credit facilities									0	0	0
Borrowings from revolving credit facilities									0	0	0
Principal payments on mortgage									0	0	0
Payments on capital lease obligations									0	0	0
(Decrease) increase in bank overdrafts									0	0	0
Proceeds from stock offering less expenses paid											0
Decrease in restricted cash related to the mortgage									0	0
Debt financing costs											0
Other									0	0	0
Net cash (used in) provided by financing activities									0	0	0
Increase (decrease) in cash									0	0	0
Cash, beginning of period				$ 0				$ 0	0	0	0
Cash, end of period	$ 0				$ 0				0	0	0
Supplemental Cash Flow Information
Net income tax payments during the period									0	0	0
Interest paid during the period									0	0	0
Noncash transactions:
Equipment under capital leases									$ 0	$ 0	$ 0

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- References

No definition available.

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