Acquisitions	6 Months Ended
Jun. 30, 2018
Business Combinations [Abstract]
Acquisitions	Acquisitions On April 2, 2018, the Company acquired 100% of the outstanding stock of Innovative Metering Solutions, Inc. ("IMS") of Odessa, Florida, which was one of the Company's distributors serving Florida. The total purchase consideration was approximately $12.0 million, which included $7.7 million in cash, a $0.3 million working capital adjustment, a balance sheet holdback of $0.7 million and settlement of $3.3 million of pre-existing Company receivables. The working capital adjustment was settled in the second quarter of 2018 and the balance sheet holdback has been included as a payable on the Company's consolidated balance sheet. The Company's preliminary allocation of the purchase price at June 30, 2018 included $3.8 million of receivables, $0.8 million of inventories, $0.1 million of machinery and equipment, $3.6 million of intangibles and $3.7 million of goodwill. The intangible assets acquired are customer relationships with an estimated average useful life of 10 years. The preliminary allocation of the purchase price to the assets acquired was based upon the estimated fair values at the date of acquisition. As of June 30, 2018, the Company had not completed its analysis for estimating the fair value of the assets acquired. The IMS acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated financial statements or the notes thereto. On November 1, 2017, the Company acquired certain assets of Utility Metering Services, Inc.'s business Carolina Meter & Supply ("Carolina Meter") of Wilmington, North Carolina, which was one of the Company's distributors serving North Carolina, South Carolina and Virginia. The total purchase consideration for the Carolina Meter assets was $6.2 million, which included $2.0 million in cash and settlement of $4.2 million of pre-existing Company receivables. The Company's preliminary allocation of the purchase price at December 31, 2017 included $0.6 million of receivables, $0.3 million of inventories, $3.3 million of intangibles and $2.0 million of goodwill. The intangible assets acquired are primarily customer relationships with an estimated average useful life of 12 years. The preliminary allocation of the purchase price to the assets acquired was based upon the estimated fair values at the date of acquisition. As of June 30, 2018, the Company had not completed its analysis for estimating the fair value of the assets acquired. The Carolina Meter acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated financial statements or the notes thereto. On May 1, 2017, the Company acquired 100% of the outstanding common stock of D-Flow Technology AB ("D-Flow") of Luleå, Sweden. The D-Flow acquisition facilitates the continued advancement of the existing E-Series® ultrasonic product line while also adding a technology center for the Company. The purchase price was approximately $23.2 million in cash, plus a small working capital adjustment. The purchase price included $5.0 million in payments that are anticipated to be made in 2018 which are recorded in payables and other current liabilities on the Consolidated Balance Sheets at June 30, 2018. The Company's preliminary allocation of the purchase price included approximately $0.3 million in receivables, $0.6 million of inventories, $0.2 million in property, plant and equipment, $10.9 million of intangibles and $16.1 million of goodwill. The majority of the intangible assets acquired related to ultrasonic technology. The Company also assumed $4.9 million of liabilities as part of the acquisition. As of March 31, 2018, the Company completed its analysis for estimating the fair value of the assets acquired and liabilities assumed with no additional adjustments. The D-Flow acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated condensed financial statements or the notes thereto.

Acquisitions

On April 2, 2018, the Company acquired 100% of the outstanding stock of Innovative Metering Solutions, Inc. ("IMS") of Odessa, Florida, which was one of the Company's distributors serving Florida.

The total purchase consideration was approximately $12.0 million, which included $7.7 million in cash, a $0.3 million working capital adjustment, a balance sheet holdback of $0.7 million and settlement of $3.3 million of pre-existing Company receivables. The working capital adjustment was settled in the second quarter of 2018 and the balance sheet holdback has been included as a payable on the Company's consolidated balance sheet. The Company's preliminary allocation of the purchase price at June 30, 2018 included $3.8 million of receivables, $0.8 million of inventories, $0.1 million of machinery and equipment, $3.6 million of intangibles and $3.7 million of goodwill. The intangible assets acquired are customer relationships with an estimated average useful life of 10 years. The preliminary allocation of the purchase price to the assets acquired was based upon the estimated fair values at the date of acquisition. As of June 30, 2018, the Company had not completed its analysis for estimating the fair value of the assets acquired.

The IMS acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated financial statements or the notes thereto.

On November 1, 2017, the Company acquired certain assets of Utility Metering Services, Inc.'s business Carolina Meter & Supply ("Carolina Meter") of Wilmington, North Carolina, which was one of the Company's distributors serving North Carolina, South Carolina and Virginia.

The total purchase consideration for the Carolina Meter assets was $6.2 million, which included $2.0 million in cash and settlement of $4.2 million of pre-existing Company receivables. The Company's preliminary allocation of the purchase price at December 31, 2017 included $0.6 million of receivables, $0.3 million of inventories, $3.3 million of intangibles and $2.0 million of goodwill. The intangible assets acquired are primarily customer relationships with an estimated average useful life of 12 years. The preliminary allocation of the purchase price to the assets acquired was based upon the estimated fair values at the date of acquisition. As of June 30, 2018, the Company had not completed its analysis for estimating the fair value of the assets acquired.

The Carolina Meter acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated financial statements or the notes thereto.

On May 1, 2017, the Company acquired 100% of the outstanding common stock of D-Flow Technology AB ("D-Flow") of Luleå, Sweden. The D-Flow acquisition facilitates the continued advancement of the existing E-Series® ultrasonic product line while also adding a technology center for the Company.

The purchase price was approximately $23.2 million in cash, plus a small working capital adjustment. The purchase price included $5.0 million in payments that are anticipated to be made in 2018 which are recorded in payables and other current liabilities on the Consolidated Balance Sheets at June 30, 2018. The Company's preliminary allocation of the purchase price included approximately $0.3 million in receivables, $0.6 million of inventories, $0.2 million in property, plant and equipment, $10.9 million of intangibles and $16.1 million of goodwill. The majority of the intangible assets acquired related to ultrasonic technology. The Company also assumed $4.9 million of liabilities as part of the acquisition. As of March 31, 2018, the Company completed its analysis for estimating the fair value of the assets acquired and liabilities assumed with no additional adjustments.

The D-Flow acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated condensed financial statements or the notes thereto.