Acquisitions	12 Months Ended
Dec. 31, 2018
Business Combinations [Abstract]
Acquisitions	Note 3 Acquisitions Acquisitions are 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 acquisitions did not have a material impact on the Company's consolidated financial statements or the notes thereto. 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 a $3.3 million settlement of pre-existing Company receivables. The working capital adjustment was settled in the second quarter of 2018 and the balance sheet holdback is recorded in payables and other current liabilities on the Company's Consolidated Balance Sheets as it is anticipated to be paid in the next twelve months. The Company's preliminary allocation of the purchase price at December 31, 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 December 31, 2018, the Company had not completed its analysis for estimating the fair value of the assets acquired. 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 $6.3 million, which included $2.1 million in cash and settlement of $4.2 million of pre-existing Company receivables. The Company's preliminary allocation of the purchase price included $0.6 million of receivables, $0.2 million of inventory, $3.3 million of intangibles and $2.2 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 December 31, 2018, the Company completed its analysis for estimating the fair value of the assets acquired with no additional adjustments. 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 $2.0 million in payments that were made in 2018 and $3.0 million in payments that are anticipated to be made in 2019, which are recorded in payables and other accrued liabilities on the Consolidated Balance Sheets at December 31, 2018. The Company's preliminary allocation of the purchase price included approximately $0.3 million of receivables, $0.6 million of inventory, $0.2 million of 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. On October 20, 2016, the Company acquired certain assets of Precision Flow Measurement, Inc., doing business as Nice Instrumentation, of Manalapan Township, New Jersey. The acquisition added new technology for the measurement of steam to the Company's HVAC line of products. The total purchase consideration for the Nice Instrumentation assets was $2.0 million.

Acquisitions

12 Months Ended

Dec. 31, 2018

Note 3 Acquisitions

Acquisitions are 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 acquisitions did not have a material impact on the Company's consolidated financial statements or the notes thereto.

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 a $3.3 million settlement of pre-existing Company receivables. The working capital adjustment was settled in the second quarter of 2018 and the balance sheet holdback is recorded in payables and other current liabilities on the Company's Consolidated Balance Sheets as it is anticipated to be paid in the next twelve months. The Company's preliminary allocation of the purchase price at December 31, 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 December 31, 2018, the Company had not completed its analysis for estimating the fair value of the assets acquired.

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 $6.3 million, which included $2.1 million in cash and settlement of $4.2 million of pre-existing Company receivables. The Company's preliminary allocation of the purchase price included $0.6 million of receivables, $0.2 million of inventory, $3.3 million of intangibles and $2.2 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 December 31, 2018, the Company completed its analysis for estimating the fair value of the assets acquired with no additional adjustments.

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 $2.0 million in payments that were made in 2018 and $3.0 million in payments that are anticipated to be made in 2019, which are recorded in payables and other accrued liabilities on the Consolidated Balance Sheets at December 31, 2018. The Company's preliminary allocation of the purchase price included approximately $0.3 million of receivables, $0.6 million of inventory, $0.2 million of 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.

On October 20, 2016, the Company acquired certain assets of Precision Flow Measurement, Inc., doing business as Nice Instrumentation, of Manalapan Township, New Jersey. The acquisition added new technology for the measurement of steam to the Company's HVAC line of products. The total purchase consideration for the Nice Instrumentation assets was $2.0 million.