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Credit Facilities - Narrative (Details) - USD ($) | Nov. 15, 2016 | Apr. 29, 2018
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Facilities, maximum borrowing capacity | $ 400,000,000 |
Maturity date of term loans and revolving commitments | Nov. 12, 2021 |
Facilities, amount outstanding | $ 247,000,000 |
Percentage of equity interest in direct non-U.S. subsidiaries that are included as pledged assets | 65.00% |
Minimum lenders represented as percentage of revolving commitments and outstanding term loans that may demand repayment in event of default | 50.00% |
Minimum [Member] |  |
Interest coverage ratio | 3.00 |
Total leverage ratio following a material acquisition | 3.25 |
Maximum [Member] |  |
Total leverage ratio | 3.00 |
Total leverage ratio following a material acquisition | 3.50 |
Base Rate [Member] |  |
Description of variable rate basis | The "Base Rate" is equal to a fluctuating rate equal to the highest of (a) the prime rate of the administrative agent, (b) ½ of 1% above the federal funds effective rate published by the Federal Reserve Bank of New York and (c) one-month LIBOR (determined with respect to deposits in U.S. Dollars) plus 1%. |
Base Rate [Member] | Minimum [Member] |  |
Basis spread on variable rate | 0.25% |
Base Rate [Member] | Maximum [Member] |  |
Basis spread on variable rate | 1.25% |
LIBOR [Member] |  |
Basis spread on variable rate | 1.00% |
LIBOR [Member] | Minimum [Member] |  |
Basis spread on variable rate | 1.25% |
LIBOR [Member] | Maximum [Member] |  |
Basis spread on variable rate | 2.25% |
Federal Funds [Member] |  |
Basis spread on variable rate | 1.00% |
Term Loans [Member] |  |
Facilities, maximum borrowing capacity | $ 150,000,000 |
Facilities, amount outstanding | 150,000,000 |
Interest rate payable at period end |  | 3.51%
Swingline Loans [Member] |  |
Facilities, maximum borrowing capacity | 25,000,000 |
Facilities, amount outstanding |  | $ 0
Revolving Loans and Letters of Credit in Certain Foreign Currencies [Member] |  |
Facilities, maximum borrowing capacity | 40,000,000 |
Facilities, amount outstanding |  | 0
Letter of Credit [Member] |  |
Facilities, maximum borrowing capacity | $ 40,000,000 |
Facilities, amount outstanding |  | $ 0
Fronting fee percentage for each letter of credit issued | 0.125% |
Revolving Loans [Member] |  |
Facilities, maximum borrowing capacity | $ 250,000,000 |
Facilities, amount outstanding | 97,000,000 |
Undrawn revolving commitments | $ 153,000,000 |
Interest rate payable at period end |  | 3.51%
Unused borrowing capacity |  | $ 153,000,000
Revolving Loans [Member] | Minimum [Member] |  |
Facilities, unused capacity, commitment fee percentage | 0.20% |
Revolving Loans [Member] | Maximum [Member] |  |
Facilities, unused capacity, commitment fee percentage | 0.45% |
Additional Term Loan Facilities Or Revolving Commitments [Member] |  |
Facilities, maximum borrowing capacity | $ 150,000,000 |
United States of America, Dollars [Member] |  |
Description of variable rate basis | (1) the Base Rate (as defined below) plus a margin ranging from 0.25% to 1.25% depending upon the Company's consolidated leverage ratio or (2) LIBOR (determined with respect to deposits in U.S. Dollars) for an interest period to be selected by the Company plus a margin ranging from 1.25% to 2.25% depending upon the Company's consolidated leverage ratio (such margin, the "Applicable Margin"). |

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- Definition Interest Coverage Ratio + References No definition available. + Details
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- Definition Minimum Lenders Represented As Percentage of Revolving Commitments And Outstanding Term Loans That May Demand Repayment In Event Of Default + References No definition available. + Details
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- Definition Percentage of Equity Interest in Direct and Indirect Non-U.S. Subsidiaries That Are Included As Pledged Assets + References No definition available. + Details
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- Definition Total Leverage Ratio + References No definition available. + Details
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- 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 Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + 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 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- 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 + Details
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- 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 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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