Acquisitions	12 Months Ended
Dec. 31, 2020
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 November 2, 2020, the Company acquired 100% of the outstanding stock of s::can, headquartered in Vienna, Austria. s::can specializes in optical water quality sensing solutions that provide real-time measurement of a variety of parameters in water and wastewater utilizing in-line monitoring systems. The total purchase consideration for s::can was $30.6 million, which included $29.1 million in cash and $1.5 million in payments that are anticipated to be made in the first quarter of 2021, which are recorded in payables on the Consolidated Balance Sheet at December 31, 2020. The Company's preliminary allocation of the purchase price at December 31, 2020 included $3.1 million of receivables, $4.3 million of inventory, $1.2 million of other assets, $12.7 million of intangibles and $17.4 million of goodwill that is not deductible for tax purposes. The intangible assets acquired are primarily customer relationships and developed technology with an estimated average useful life of 12 years. The Company also assumed $3.6 million of accounts payable, $3.2 million of deferred tax liabilities and $1.3 million of other liabilities as part of the acquisition. 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, 2020, the Company had not completed its analysis for estimating the fair value of the assets acquired. On April 2, 2018, the Company acquired 100% of the outstanding stock of 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 was paid in the second quarter of 2019. The Company's allocation of the purchase price at March 31, 2019 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. As of March 31, 2019, the Company had completed its analysis for estimating the fair value of the assets acquired with no additional adjustments. In the first quarter of 2019 and the fourth quarter of 2020, the Company made separate payments of contingent acquisition consideration of $1.0 million each related to the May 1, 2017 acquisition of 100% of the outstanding common stock of D-Flow Technology AB (“D-Flow”) of Lulea, Sweden. These were the final payments associated with the acquisition.

Acquisitions

12 Months Ended

Dec. 31, 2020

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 November 2, 2020, the Company acquired 100% of the outstanding stock of s::can, headquartered in Vienna, Austria. s::can specializes in optical water quality sensing solutions that provide real-time measurement of a variety of parameters in water and wastewater utilizing in-line monitoring systems.

The total purchase consideration for s::can was $30.6 million, which included $29.1 million in cash and $1.5 million in payments that are anticipated to be made in the first quarter of 2021, which are recorded in payables on the Consolidated Balance Sheet at December 31, 2020. The Company's preliminary allocation of the purchase price at December 31, 2020 included $3.1 million of receivables, $4.3 million of inventory, $1.2 million of other assets, $12.7 million of intangibles and $17.4 million of goodwill that is not deductible for tax purposes. The intangible assets acquired are primarily customer relationships and developed technology with an estimated average useful life of 12 years. The Company also assumed $3.6 million of accounts payable, $3.2 million of deferred tax liabilities and $1.3 million of other liabilities as part of the acquisition. 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, 2020, the Company had not completed its analysis for estimating the fair value of the assets acquired.

On April 2, 2018, the Company acquired 100% of the outstanding stock of 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 was paid in the second quarter of 2019. The Company's allocation of the purchase price at March 31, 2019 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. As of

March 31, 2019, the Company had completed its analysis for estimating the fair value of the assets acquired with no additional adjustments.

In the first quarter of 2019 and the fourth quarter of 2020, the Company made separate payments of contingent acquisition consideration of $1.0 million each related to the May 1, 2017 acquisition of 100% of the outstanding common stock of D-Flow Technology AB (“D-Flow”) of Lulea, Sweden. These were the final payments associated with the acquisition.