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Line of Credit - Narrative (Details) $ in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Apr. 28, 2018 USD ($) | Apr. 29, 2017 USD ($) | Apr. 30, 2016 USD ($) | Apr. 28, 2018 CAD ($)
Line of Credit Facility [Line Items] |  |  |  |
Proceeds from Borrowings | $ 81.4 | $ 0.0 | $ 71.0 |
Repayments of Lines of Credit | 79.4 | $ 30.0 | $ 19.0 |
Bank of America Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity | 150.0 |  |  |
Optional increase in borrowing capacity, up to | $ 100.0 |  |  |
Basis spread on variable rate | 1.25% |  |  |
Variable rate basis | LIBOR |  |  |
Proceeds from Borrowings | $ 80.0 |  |  |
Repayments in the period | 78.9 |  |  |
Interest expense | 1.9 |  |  |
Amount outstanding | 30.0 |  |  |
BMO Harris Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity |  |  |  | $ 10.0
Optional increase in borrowing capacity, up to | 5.0 |  |  |
Amount outstanding | 0.0 |  |  |
Roynat Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Maximum borrowing capacity | 10.0 |  |  |
Optional increase in borrowing capacity, up to | 3.5 |  |  |
Proceeds from Borrowings | 0.0 |  |  |
Repayments of Lines of Credit | 0.4 |  |  |
Amount outstanding | 3.6 |  |  |
Line of Credit, Current | $ 0.7 |  |  |
Pacific Insight [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of Credit Facility, Number of Credit Agreements | 2 |  |  |
Canadian Dollar Offered Rate [Member] | BMO Harris Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable rate | 1.25% |  |  |
Variable rate basis | Canadian Dollar Offered Rate |  |  |
Federal Funds Rate [Member] | BMO Harris Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable rate | 1.25% |  |  |
Variable rate basis | Federal Funds Rate |  |  |
London Interbank Offered Rate (LIBOR) [Member] | BMO Harris Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable rate | 1.75% |  |  |
Variable rate basis | LIBOR |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Roynat Credit Facility [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Basis spread on variable rate | 2.25% |  |  |
Variable rate basis | LIBOR |  |  |

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- Definition Line of Credit Facility, Accordian Feature, Increase Limit + References No definition available. + Details
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- Definition Line of Credit Facility, Number of Credit Agreements + References No definition available. + Details
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- Definition Repayments of Lines of Credit, Including Accrued Interest + 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 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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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + 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 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + 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 The carrying value as of the balance sheet date of the current portion 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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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