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Accumulated Other Comprehensive Income - Reclassification Adjustments Out of AOCI (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 01, 2017 | Jul. 02, 2016 | Jul. 01, 2017 | Jul. 02, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Cost of goods sold | $ 524,311 | $ 456,060 | $ 1,012,738 | $ 902,702
Interest expense | 6,442 | 1,692 | 8,973 | 3,540
Income tax (benefit) expense | 12,650 | 14,005 | 24,579 | 28,126
Selling, general, and administrative expense | 34,557 | 34,514 | 70,088 | 70,294
Other income, net | (231) | (515) | (782) | (760)
Net income attributable to Mueller Industries, Inc. | (27,633) | (27,797) | (57,620) | (56,427)
Unrealized losses (gains) on derivatives attributable to parent [Member] | Amount Reclassified from AOCI [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Cost of goods sold | 602 | (2,108) | 1,024 | (1,871)
Interest expense | 232 | 92 | 464 | 200
Income tax (benefit) expense | (361) | 716 | (514) | 508
Net income attributable to Mueller Industries, Inc. | 473 | (1,300) | 974 | (1,163)
Amortization of net loss and prior service cost on employee benefit plans attributable to parent [Member] | Amount Reclassified from AOCI [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income tax (benefit) expense | (46) | (122) | (110) | (262)
Selling, general, and administrative expense | 275 | 502 | 601 | 1,054
Net income attributable to Mueller Industries, Inc. | 229 | 380 | 491 | 792
Sale of available-for-sale securities attributable to parent [Member] | Amount Reclassified from AOCI [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income tax (benefit) expense | 138 | 0 | 232 | 0
Other income, net | (357) | 0 | (611) | 0
Net income attributable to Mueller Industries, Inc. | (219) | 0 | (379) | 0
Gain recognized upon sale of business attributable to parent [Member] | Amount Reclassified from AOCI [Member] |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income tax (benefit) expense | 0 | 0 | 0 | 0
Selling, general, and administrative expense | (3,777) | 0 | (3,777) | 0
Net income attributable to Mueller Industries, Inc. | $ (3,777) | $ 0 | $ (3,777) | $ 0

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- Definition Total costs related to goods produced and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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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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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 + Details
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