CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 29, 2012	Oct. 01, 2011
Cash flows from operating activities
Consolidated net income	$ 66,927	$ 74,014
Reconciliation of consolidated net income to net cash provided by (used in) operating activities:
Depreciation and amortization	23,713	27,844
Stock-based compensation expense	3,042	2,583
Insurance settlement	(1,500)	0
Insurance proceeds - noncapital related	14,250	10,000
Loss (gain) on disposal of properties	175	(99)
Deferred income taxes	2,319	(2,785)
Income tax benefit from exercise of stock options	(517)	(867)
Changes in assets and liabilities, net of business acquired:
Receivables	(15,779)	(38,480)
Inventories	585	(10,432)
Other assets	(8,434)	(9,263)
Current liabilities	(21,120)	13,703
Other liabilities	7,834	1,907
Other, net	1,271	759
Net cash provided by (used in) operating activities	72,766	68,884
Cash flows from investing activities
Capital expenditures	(43,841)	(13,128)
Acquisition of business	(11,503)	(6,882)
Insurance proceeds for property and equipment	42,250	0
Net withdrawals from (deposits into) restricted cash balances	6,908	(5,120)
Proceeds from sales of properties	502	1,745
Net used in investing activities	(5,684)	(23,385)
Cash flows from financing activities
Dividends paid to stockholders of Mueller Industries, Inc.	(11,415)	(11,345)
Debt issuance cost	0	(1,942)
Issuance of long-term debt	200,000	0
(Repayments) issuance of debt by joint venture, net	(28,955)	19,316
Net proceeds from the exercise of stock options	(740)	3,674
Repurchase of common stock	(427,448)	0
Repayments of long-term debt	(148,926)	(1,902)
Income tax benefit from exercise of stock options	517	867
Net cash (used in) provided by financing activities	(416,967)	8,668
Effect of exchange rate changes on cash	1,478	547
(Decrease) increase in cash and cash equivalents	(348,407)	54,714
Cash and cash equivalents at the beginning of the period	514,162	394,139
Cash and cash equivalents at the end of the period	$ 165,755	$ 448,853

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