This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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SUBSEQUENT EVENTS (Details) - USD ($) $ in Thousands			12 Months Ended
SUBSEQUENT EVENTS (Details) - USD ($) $ in Thousands	Feb. 26, 2020	Jan. 08, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Payments to Acquire Businesses, Gross			$ 185,209	$ 210,167	$ 232,630
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual			11,000	64,000
Dyna-Flo Valve Services Ltd. (Dyna-Flo) [Member] \| Commercial/Industrial
Subsequent Event [Line Items]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual			25,000
Pension Plan [Member]
Subsequent Event [Line Items]
Contributions made by employer			$ 3,867	$ 55,311
Subsequent Event [Member] \| Dyna-Flo Valve Services Ltd. (Dyna-Flo) [Member] \| Commercial/Industrial
Subsequent Event [Line Items]
Payments to Acquire Businesses, Gross	$ 61,000
Subsequent Event [Member] \| Canada, Dollars \| Dyna-Flo Valve Services Ltd. (Dyna-Flo) [Member] \| Commercial/Industrial
Subsequent Event [Line Items]
Payments to Acquire Businesses, Gross	$ 81,000
Subsequent Event [Member] \| Pension Plan [Member]
Subsequent Event [Line Items]
Contributions made by employer		$ 150,000