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Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 01, 2016 | Sep. 26, 2015 | Oct. 01, 2016 | Sep. 26, 2015
Changes in accumulated other comprehensive income [Roll Forward] |  |  |  |
Beginning balance |  |  | $ 827,285 |
Other comprehensive income (loss) before reclassifications |  |  | (4,307) | $ (16,038)
Amounts reclassified from AOCI |  |  | 896 | 3,877
Net current-period other comprehensive income (loss) |  |  | (3,411) | (12,161)
Ending balance | $ 893,772 |  | 893,772 |
Reclassification adjustments out of AOCI [Abstract] |  |  |  |
Cost of goods sold | (424,668) | $ (467,167) | (1,327,370) | (1,398,366)
Selling, general, and administrative expense | (32,413) | (32,241) | (102,707) | (97,922)
Interest expense | (1,830) | (1,682) | (5,370) | (5,977)
Income tax expense | (10,837) | (5,223) | (38,963) | (36,374)
Net income attributable to Mueller Industries, Inc. | 25,978 | 17,800 | 82,405 | 73,429
Noncontrolling interests | 84 | 295 | 581 | 868
Consolidated net income | 26,062 | 18,095 | 82,986 | 74,297
AOCI Including Portion Attributable to Noncontrolling Interest [Member] |  |  |  |
Changes in accumulated other comprehensive income [Roll Forward] |  |  |  |
Beginning balance |  |  | (54,990) | (42,923)
Ending balance | (58,401) | (55,084) | (58,401) | (55,084)
Cumulative Translation Adjustment [Member] |  |  |  |
Changes in accumulated other comprehensive income [Roll Forward] |  |  |  |
Beginning balance |  |  | (24,773) | (7,076)
Other comprehensive income (loss) before reclassifications |  |  | (14,638) | (12,099)
Amounts reclassified from AOCI |  |  | 0 | 0
Net current-period other comprehensive income (loss) |  |  | (14,638) | (12,099)
Ending balance | (39,411) | (19,175) | (39,411) | (19,175)
Unrealized (Losses) Gains on Derivatives [Member] |  |  |  |
Changes in accumulated other comprehensive income [Roll Forward] |  |  |  |
Beginning balance |  |  | (2,009) | (953)
Other comprehensive income (loss) before reclassifications |  |  | 1,446 | (4,403)
Amounts reclassified from AOCI |  |  | (291) | 2,387
Net current-period other comprehensive income (loss) |  |  | 1,155 | (2,016)
Ending balance | (854) | (2,969) | (854) | (2,969)
Unrealized (Losses) Gains on Derivatives [Member] | Amount Reclassified from AOCI [Member] |  |  |  |
Reclassification adjustments out of AOCI [Abstract] |  |  |  |
Cost of goods sold | 848 | 2,339 | (1,023) | 2,990
Interest expense | 91 | 91 | 291 | 295
Income tax expense | (67) | (664) | 441 | (898)
Net income attributable to Mueller Industries, Inc. | 872 | 1,766 | (291) | 2,387
Noncontrolling interests | 0 | 0 | 0 | 0
Consolidated net income | 872 | 1,766 | (291) | 2,387
Minimum Pension/OPEB Liability Adjustment [Member] |  |  |  |
Changes in accumulated other comprehensive income [Roll Forward] |  |  |  |
Beginning balance |  |  | (28,429) | (35,164)
Other comprehensive income (loss) before reclassifications |  |  | 2,258 | 510
Amounts reclassified from AOCI |  |  | 1,187 | 1,490
Net current-period other comprehensive income (loss) |  |  | 3,445 | 2,000
Ending balance | (24,984) | (33,164) | (24,984) | (33,164)
Minimum Pension/OPEB Liability Adjustment [Member] | Amount Reclassified from AOCI [Member] |  |  |  |
Reclassification adjustments out of AOCI [Abstract] |  |  |  |
Selling, general, and administrative expense | 527 | 680 | 1,581 | 2,040
Income tax expense | (132) | (188) | (394) | (550)
Net income attributable to Mueller Industries, Inc. | 395 | 492 | 1,187 | 1,490
Noncontrolling interests | 0 | 0 | 0 | 0
Consolidated net income | 395 | 492 | 1,187 | 1,490
Other [Member] |  |  |  |
Changes in accumulated other comprehensive income [Roll Forward] |  |  |  |
Beginning balance |  |  | 221 | 270
Other comprehensive income (loss) before reclassifications |  |  | 6,627 | (46)
Amounts reclassified from AOCI |  |  | 0 | 0
Net current-period other comprehensive income (loss) |  |  | 6,627 | (46)
Ending balance | $ 6,848 | $ 224 | $ 6,848 | $ 224

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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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