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v2.4.1.9

Quarterly Financial Information (unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2014 | Sep. 28, 2014 | Jun. 29, 2014 | Mar. 30, 2014 | Dec. 31, 2013 | Dec. 31, 2013 | Sep. 29, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Net sales |  | $ 376.5 us-gaap_SalesRevenueNet | $ 376.0 us-gaap_SalesRevenueNet | $ 396.0 us-gaap_SalesRevenueNet | $ 365.2 us-gaap_SalesRevenueNet |  | $ 376.0 us-gaap_SalesRevenueNet | $ 371.8 us-gaap_SalesRevenueNet | $ 366.8 us-gaap_SalesRevenueNet | $ 358.9 us-gaap_SalesRevenueNet | $ 1,513.7 us-gaap_SalesRevenueNet | $ 1,473.5 us-gaap_SalesRevenueNet | $ 1,427.4 us-gaap_SalesRevenueNet
Gross profit |  | 131.4 us-gaap_GrossProfit | 138.1 us-gaap_GrossProfit | 139.0 us-gaap_GrossProfit | 133.3 us-gaap_GrossProfit |  | 130.9 us-gaap_GrossProfit | 133.9 us-gaap_GrossProfit | 132.8 us-gaap_GrossProfit | 128.9 us-gaap_GrossProfit | 541.8 us-gaap_GrossProfit | 526.5 us-gaap_GrossProfit | 513.5 us-gaap_GrossProfit
Income from continuing operations |  | (7.7)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 22.6 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 21.3 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 14.1 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  | 8.2 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 17.5 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 18.9 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 16.3 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |  |  |
Net income |  | (7.7)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 22.6 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 21.3 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 14.1 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |  | 8.2 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 15.4 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 18.9 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 16.1 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 50.3 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 58.6 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 68.4 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
BASIC EPS |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations (in dollars per share) |  | $ (0.22)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.64 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.60 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.40 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare |  | $ 0.23 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.49 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.53 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.46 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 1.42 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 1.72 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 1.96 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Net income (in dollars per share) |  | $ (0.22)us-gaap_EarningsPerShareBasic | $ 0.64 us-gaap_EarningsPerShareBasic | $ 0.60 us-gaap_EarningsPerShareBasic | $ 0.40 us-gaap_EarningsPerShareBasic |  | $ 0.23 us-gaap_EarningsPerShareBasic | $ 0.43 us-gaap_EarningsPerShareBasic | $ 0.53 us-gaap_EarningsPerShareBasic | $ 0.45 us-gaap_EarningsPerShareBasic | $ 1.42 us-gaap_EarningsPerShareBasic | $ 1.65 us-gaap_EarningsPerShareBasic | $ 1.90 us-gaap_EarningsPerShareBasic
DILUTED EPS |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations (in dollars per share) |  | $ (0.22)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.64 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.60 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.40 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare |  | $ 0.23 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.49 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.53 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.46 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 1.42 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 1.71 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 1.95 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Net income (in dollars per share) |  | $ (0.22)us-gaap_EarningsPerShareDiluted | $ 0.64 us-gaap_EarningsPerShareDiluted | $ 0.60 us-gaap_EarningsPerShareDiluted | $ 0.40 us-gaap_EarningsPerShareDiluted |  | $ 0.23 us-gaap_EarningsPerShareDiluted | $ 0.43 us-gaap_EarningsPerShareDiluted | $ 0.53 us-gaap_EarningsPerShareDiluted | $ 0.45 us-gaap_EarningsPerShareDiluted | $ 1.42 us-gaap_EarningsPerShareDiluted | $ 1.65 us-gaap_EarningsPerShareDiluted | $ 1.90 us-gaap_EarningsPerShareDiluted
Dividends declared per common share (in dollars per share) |  | $ 0.15 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.15 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.15 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.13 us-gaap_CommonStockDividendsPerShareCashPaid |  | $ 0.13 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.13 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.13 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.11 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.58 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.50 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.44 us-gaap_CommonStockDividendsPerShareCashPaid
Net settlement expense recorded for Trabakoolas et al., v. Watts Water Technologies litigation |  |  |  |  |  | 13.6 us-gaap_LitigationSettlementExpense |  |  |  |  |  |  |
Impairment charges on Indefinite lived trade names |  |  |  |  |  |  |  |  |  |  | 1.3 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0.7 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill | 0.4 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Restructuring expense | 8.0 us-gaap_RestructuringSettlementAndImpairmentProvisions |  |  |  |  |  |  |  |  |  | 15.2 us-gaap_RestructuringSettlementAndImpairmentProvisions | 8.7 us-gaap_RestructuringSettlementAndImpairmentProvisions | 4.2 us-gaap_RestructuringSettlementAndImpairmentProvisions
Customer rebate expense |  |  |  |  |  | 3.0 wts_CustomerRebateExpenseAccrualAdjustment |  |  |  |  |  |  |
Aerco |  |  |  |  |  |  |  |  |  |  |  |  |
DILUTED EPS |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition costs | 4.5 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_BusinessAcquisitionAxis = wts_AercoMember |  |  |  |  |  |  |  |  |  |  |  |
Trade name |  |  |  |  |  |  |  |  |  |  |  |  |
DILUTED EPS |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment charges on Indefinite lived trade names | 1.3 us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |  |  |  |  |  |  |  |  |  |  |  |
Asia Pacific |  |  |  |  |  |  |  |  |  |  |  |  |
DILUTED EPS |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill Impairment Charge | 12.9 us-gaap_GoodwillImpairmentLoss / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember |  |  |  |  |  |  |  |  |  |  |  |
Europe Middle East and Africa and Americas [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
DILUTED EPS |  |  |  |  |  |  |  |  |  |  |  |  |
Deployment costs | $ 3.5 wts_DeploymentCosts / us-gaap_StatementGeographicalAxis = wts_EuropeMiddleEastAndAfricaAndAmericasMember |  |  |  |  |  |  |  |  |  |  |  |

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