Acquisitions	3 Months Ended
Mar. 31, 2018
Business Combinations [Abstract]
Acquisitions	Acquisitions 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 inventory, $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 March 31, 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 $5.4 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 March 31, 2018. The Company's preliminary allocation of the purchase price included approximately $0.3 million in receivables, $0.6 million in inventory, $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 has completed its analysis for estimating the fair value of the assets acquired 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 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 inventory, $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 March 31, 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 $5.4 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 March 31, 2018. The Company's preliminary allocation of the purchase price included approximately $0.3 million in receivables, $0.6 million in inventory, $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 has completed its analysis for estimating the fair value of the assets acquired 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.