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Debt (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 30, 2014
Credit Agreement |
Credit Agreement |
Multi-currency borrowing capacity | $ 500
Term of senior unsecured revolving credit facility | 5 years
Potential additional borrowing capacity | 500
Sublimit on letters of credit | 100
Unused and available credit under the credit agreement | 476.4
Stand-by letters of credit outstanding | $ 23.6
Eurocurrency rate loans | LIBOR |
Credit Agreement |
Variable interest rate basis | LIBOR
Eurocurrency rate loans | LIBOR | Minimum |
Credit Agreement |
Interest rate added to base rate (as a percent) | 0.975%
Eurocurrency rate loans | LIBOR | Maximum |
Credit Agreement |
Interest rate added to base rate (as a percent) | 1.45%
Base rate loans and swing line loans | LIBOR |
Credit Agreement |
Interest rate added to base rate (as a percent) | 1.00%
Variable interest rate basis | LIBOR
Base rate loans and swing line loans | LIBOR | Minimum |
Credit Agreement |
Interest rate added to base rate (as a percent) | 0.00%
Base rate loans and swing line loans | LIBOR | Maximum |
Credit Agreement |
Interest rate added to base rate (as a percent) | 0.45%
Base rate loans and swing line loans | Federal funds |
Credit Agreement |
Interest rate added to base rate (as a percent) | 0.50%
Variable interest rate basis | Federal Funds Rate
Base rate loans and swing line loans | Prime Rate |
Credit Agreement |
Variable interest rate basis | Prime Rate

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
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Data Type: | xbrli:durationItemType
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X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
Period Type: | instant

X
- Details
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Balance Type: | na
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X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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Balance Type: | credit
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X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The percentage points added to the specified reference rate to compute the variable rate on the debt instrument, in addition to the percentage points added regardless of specified reference rate. + References No definition available. + Details
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- Definition Represents the maximum amount of the guarantees available through letters of credit. + References No definition available. + Details
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Balance Type: | credit
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X
- Definition Represents the additional amount of borrowing capacity that may be added under the credit facility. + References No definition available. + Details
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Namespace Prefix: | wts_
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Balance Type: | credit
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