XML 69 R54.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Restructuring and Other Charges, Net - Pre-tax Restructuring (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jul. 01, 2018 | Apr. 01, 2018 | Dec. 31, 2017 | Oct. 01, 2017 | Jul. 02, 2017 | Apr. 02, 2017 | Dec. 31, 2015 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |
Total restructuring and other charges, net |  |  |  |  |  |  |  |  |  | $ 3.4 | $ 6.8 | $ 4.7 |
Pre-tax restructuring charges, net |  |  |  |  |  |  |  |  |  | 3.4 | 6.8 | 4.7 |
Net Sales | $ 387.6 | $ 390.9 | $ 407.9 | $ 378.5 | $ 366.3 | $ 364.7 | $ 378.5 | $ 347.2 |  | 1,564.9 | 1,456.7 | 1,398.4 |
Corporate |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax restructuring charges, net |  |  |  |  |  |  |  |  |  |  |  | (0.5) |
Europe |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax restructuring charges, net |  |  |  |  |  |  |  |  |  | 3.4 | 3.3 | 3.4 |
Americas |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax restructuring charges, net |  |  |  |  |  |  |  |  |  |  | $ 3.1 | 1.6 |
Reduction of area of space (as a percent) |  |  |  |  |  |  |  |  |  |  | 30.00% |  |
2015 Actions |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax restructuring charges, net |  |  |  |  |  |  |  |  |  |  | $ 2.4 | 2.1 |
2015 Actions | Europe |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |
Net pre-tax restructuring adjustments |  |  |  |  |  |  |  |  |  |  | (1.0) |  |
Total restructuring and other charges, net |  |  |  |  |  |  |  |  |  |  | (1.0) | 1.8 | $ 6.9
Pre-tax restructuring charges, net |  |  |  |  |  |  |  |  | $ 7.7 | 7.7 |  |  |
Other Actions |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax restructuring charges, net |  |  |  |  |  |  |  |  |  | 3.4 | 4.4 | $ 2.6 |
Other Actions | Europe |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |
Total expected restructuring costs | $ 3.4 |  |  |  | $ 4.1 |  |  |  |  | $ 3.4 | $ 4.1 |  |

X
- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCost1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of restructuring charges, remediation cost, and asset impairment loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_RestructuringSettlementAndImpairmentProvisions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 32 -Paragraph 2A -URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the percentage of reduction in area of space as a restructuring process. + References No definition available. + Details
Name: | wts_PercentageOfReductionInAreaOfSpace
Namespace Prefix: | wts_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total net amount of restructuring and impairment charges incurred during the period including those amounts included in cost of goods sold. + References No definition available. + Details
Name: | wts_RestructuringSettlementAndImpairmentProvisionsNetTotal
Namespace Prefix: | wts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of contingent liability reduction on restructuring settlement. + References No definition available. + Details
Name: | wts_RestructuringSettlementContingentLiabilityReduction
Namespace Prefix: | wts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_AmericasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=wts_Actions2015Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=wts_OtherActionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |