Debt	6 Months Ended
Debt	Jul. 02, 2011
Debt [Abstract]
Debt	Note 7 – Debt On March 7, 2011, the Company entered into a Credit Agreement (Credit Facility) with a syndicate of banks establishing a $350 million revolving credit facility, which matures March 7, 2016. The Credit Facility contains similar provisions and replaces the Company’s prior credit agreement dated December 1, 2006. Mueller–Xingrong is negotiating with a syndicate of banks to renew its JV Credit Agreement which expired July 16, 2011. Borrowings under the JV Credit Agreement remain outstanding during the negotiations. The Company expects Mueller–Xingrong will enter into a new JV Credit Agreement under terms similar to the expired JV Credit Agreement during the third quarter of 2011.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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