Acquisitions and Dispositions	6 Months Ended
Jun. 30, 2018
Acquisitions and Dispositions [Abstract]
Acquisitions and Dispositions	Acquisitions and Dispositions Acquisitions Die-Mold On March 31, 2018, the Company entered into a share purchase agreement pursuant to which the Company acquired all of the outstanding shares of Die-Mold Tool Limited (Die-Mold) for approximately $14.8 million, net of working capital adjustments. The total purchase price consisted of $12.5 million in cash at closing and a contingent consideration arrangement which requires the Company to pay the former owner up to $2.3 million based on EBITDA growth of the acquired company. Die-Mold, based out of Ontario, Canada, is a manufacturer of plastic PEX and other plumbing-related fittings and an integrated designer and manufacturer of plastic injection tooling. The business complements the Company’s existing businesses within the Piping Systems segment. The fair value of the assets acquired totaled $5.6 million, consisting primarily of property, plant, and equipment of $2.1 million, inventories of $1.9 million, and accounts receivable of $1.6 million. The fair value of the liabilities assumed totaled $0.5 million, consisting primarily of accounts payable of $0.4 million and other current liabilities of $0.1 million. Of the remaining purchase price, $9.7 million was allocated to non-deductible goodwill and intangible assets. The purchase price allocation is provisional as of June 30, 2018 and subject to change upon completion of the final valuation of the long-lived assets, working capital, and contingent consideration during the measurement period. Heatlink Group On May 31, 2017, the Company entered into a share purchase agreement pursuant to which the Company acquired all of the outstanding shares of Pexcor Manufacturing Company Inc. and Heatlink Group Inc. (collectively, Heatlink Group) for approximately $17.2 million, net of working capital adjustments. The total purchase price consisted of $16.3 million in cash at closing and a contingent consideration arrangement which requires the Company to pay the former owners up to $2.2 million based on the EBITDA growth of the acquired business. Heatlink Group, based out of Calgary, Alberta, Canada, produces and sells a complete line of products for PEX plumbing and radiant systems. The business complements the Company’s existing businesses within the Piping Systems segment. The fair value of the assets acquired totaled $9.9 million, consisting primarily of inventories of $4.6 million, accounts receivable of $2.8 million, property, plant, and equipment of $2.0 million, and other current assets of $0.5 million. The fair value of the liabilities assumed totaled $6.0 million, consisting primarily of accounts payable of $3.6 million, other current liabilities of $0.5 million, and deferred taxes of $1.9 million. Of the remaining purchase price, $13.3 million was allocated to non-deductible goodwill and intangible assets. The valuation of the business has been finalized. Changes to the purchase price allocation from the amounts presented in the Company’s 2017 Annual Report on Form 10-K included the valuation of the contingent consideration of $0.9 million and the recognition of a deferred tax liability of $1.9 million that resulted from a basis difference in the long-lived assets acquired. These changes resulted in an increase to goodwill. Disposition Mueller-Xingrong On June 21, 2017, the Company entered into a definitive equity transfer agreement with Jiangsu Xingrong Hi-Tech Co. Ltd. and Jiangsu Baiyang Industries Co. Ltd. (Baiyang), together, the minority partners in Mueller-Xingrong (the Company’s Chinese joint venture), pursuant to which the Company sold its 50.5 percent equity interest in Mueller-Xingrong to Baiyang for approximately $18.3 million. Mueller-Xingrong manufactures engineered copper tube primarily for air-conditioning applications in China and was included in the Piping Systems segment. Mueller-Xingrong reported net sales of $67.3 million and net losses of $9 thousand in 2017. The carrying value of the assets disposed totaled $56.8 million, consisting primarily of accounts receivable, inventories, and long-lived assets. The carrying value of the liabilities disposed (consisting primarily of current debt and accounts payable), noncontrolling interest, and amounts recognized in accumulated other comprehensive income (AOCI) totaled $36.2 million. Since the disposal constituted a complete liquidation of the Company’s investment in a foreign entity, the Company removed from AOCI and recognized a cumulative translation gain of $3.8 million. As a result of the disposal, the Company recognized a net gain on the sale of this business of $1.6 million in the Condensed Consolidated Financial Statements for both the quarter and six months ended July 1, 2017.

Acquisitions and Dispositions

Acquisitions

Die-Mold

On March 31, 2018, the Company entered into a share purchase agreement pursuant to which the Company acquired all of the outstanding shares of Die-Mold Tool Limited (Die-Mold) for approximately $14.8 million, net of working capital adjustments. The total purchase price consisted of $12.5 million in cash at closing and a contingent consideration arrangement which requires the Company to pay the former owner up to $2.3 million based on EBITDA growth of the acquired company. Die-Mold, based out of Ontario, Canada, is a manufacturer of plastic PEX and other plumbing-related fittings and an integrated designer and manufacturer of plastic injection tooling. The business complements the Company’s existing businesses within the Piping Systems segment.

The fair value of the assets acquired totaled $5.6 million, consisting primarily of property, plant, and equipment of $2.1 million, inventories of $1.9 million, and accounts receivable of $1.6 million. The fair value of the liabilities assumed totaled $0.5 million, consisting primarily of accounts payable of $0.4 million and other current liabilities of $0.1 million. Of the remaining purchase price, $9.7 million was allocated to non-deductible goodwill and intangible assets. The purchase price allocation is provisional as of June 30, 2018 and subject to change upon completion of the final valuation of the long-lived assets, working capital, and contingent consideration during the measurement period.

Heatlink Group

On May 31, 2017, the Company entered into a share purchase agreement pursuant to which the Company acquired all of the outstanding shares of Pexcor Manufacturing Company Inc. and Heatlink Group Inc. (collectively, Heatlink Group) for approximately $17.2 million, net of working capital adjustments. The total purchase price consisted of $16.3 million in cash at closing and a contingent consideration arrangement which requires the Company to pay the former owners up to $2.2 million based on the EBITDA growth of the acquired business. Heatlink Group, based out of Calgary, Alberta, Canada, produces and sells a complete line of products for PEX plumbing and radiant systems. The business complements the Company’s existing businesses within the Piping Systems segment.

The fair value of the assets acquired totaled $9.9 million, consisting primarily of inventories of $4.6 million, accounts receivable of $2.8 million, property, plant, and equipment of $2.0 million, and other current assets of $0.5 million. The fair value of the liabilities assumed totaled $6.0 million, consisting primarily of accounts payable of $3.6 million, other current liabilities of $0.5 million, and deferred taxes of $1.9 million. Of the remaining purchase price, $13.3 million was allocated to non-deductible goodwill and intangible assets. The valuation of the business has been finalized. Changes to the purchase price allocation from the amounts presented in the Company’s 2017 Annual Report on Form 10-K included the valuation of the contingent consideration of $0.9 million and the recognition of a deferred tax liability of $1.9 million that resulted from a basis difference in the long-lived assets acquired. These changes resulted in an increase to goodwill.

Disposition

Mueller-Xingrong

On June 21, 2017, the Company entered into a definitive equity transfer agreement with Jiangsu Xingrong Hi-Tech Co. Ltd. and Jiangsu Baiyang Industries Co. Ltd. (Baiyang), together, the minority partners in Mueller-Xingrong (the Company’s Chinese joint venture), pursuant to which the Company sold its 50.5 percent equity interest in Mueller-Xingrong to Baiyang for approximately $18.3 million. Mueller-Xingrong manufactures engineered copper tube primarily for air-conditioning applications in China and was included in the Piping Systems segment. Mueller-Xingrong reported net sales of $67.3 million and net losses of $9 thousand in 2017. The carrying value of the assets disposed totaled $56.8 million, consisting primarily of accounts receivable, inventories, and long-lived assets. The carrying value of the liabilities disposed (consisting primarily of current debt and accounts payable), noncontrolling interest, and amounts recognized in accumulated other comprehensive income (AOCI) totaled $36.2 million. Since the disposal constituted a complete liquidation of the Company’s investment in a foreign entity, the Company removed from AOCI and recognized a cumulative translation gain of $3.8 million. As a result of the disposal, the Company recognized a net gain on the sale of this business of $1.6 million in the Condensed Consolidated Financial Statements for both the quarter and six months ended July 1, 2017.