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Long-Term Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Apr. 30, 2014 | Apr. 30, 2013
Debt Instrument [Line Items] |  |
Financial covenants amount | $ 50.0 |
Interest rate description | Borrowings under the Facility bear interest, at the election of the Company, at the London Interbank Offered Rate (“LIBOR”) plus the applicable margin or the base rate plus the applicable margin. The base rate is the highest of (i) the published prime rate, (ii) the federal funds rate plus 1.50%, or (iii) one month LIBOR plus 1.50%. The applicable margin is based on a percentage per annum determined in accordance with a specified pricing grid based on the total funded debt to adjusted EBITDA ratio. For LIBOR loans, the applicable margin will range from 0.50% to 1.50% per annum, while for base rate loans the applicable margin will range from 0.00% to 0.25% per annum. The Company is required to pay a quarterly commitment fee of 0.25% to 0.35% on the Facility’s unused commitments based on the Company’s funded debt to adjusted EBITDA ratio. |
Covenant description | The financial covenants include a maximum consolidated funded debt to adjusted EBITDA ratio and a minimum adjusted EBITDA. As of April 30, 2013, the Company is in compliance with its financial covenants. In addition, there is a domestic liquidity requirement that the Company maintain $50.0 million in unrestricted cash and/or marketable securities (excluding any marketable securities that are held in trust for the settlement of the Company’s obligation under certain deferred compensation plans) as a condition to consummating permitted acquisitions, paying dividends to our shareholders and share repurchases of our common stock. |
Dividend payable subject to certain conditions | 50.0 |
Long-term debt | 0 | 0
Standby Letters of Credit |  |
Debt Instrument [Line Items] |  |
Long-term debt arrangement | 2.8 | 2.7
Previous Facility, restricted cash | 0 | 2.9
Minimum |  |
Debt Instrument [Line Items] |  |
Quarterly Commitment Fees on the Facility's unused commitments | 0.25% |
Maximum |  |
Debt Instrument [Line Items] |  |
Quarterly Commitment Fees on the Facility's unused commitments | 0.35% |
Federal Funds Rate |  |
Debt Instrument [Line Items] |  |
Applicable margin on variable interest rate | 1.50% |
London Interbank Offered Rate (LIBOR) |  |
Debt Instrument [Line Items] |  |
Applicable margin on variable interest rate | 1.50% |
London Interbank Offered Rate (LIBOR) | Minimum |  |
Debt Instrument [Line Items] |  |
Applicable margin on variable interest rate | 0.50% |
London Interbank Offered Rate (LIBOR) | Maximum |  |
Debt Instrument [Line Items] |  |
Applicable margin on variable interest rate | 1.50% |
Base Rate Loans | Minimum |  |
Debt Instrument [Line Items] |  |
Applicable margin on variable interest rate | 0.00% |
Base Rate Loans | Maximum |  |
Debt Instrument [Line Items] |  |
Applicable margin on variable interest rate | 0.25% |
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Senior Unsecured Revolving Facility, maximum borrowing capacity | 75.0 |
Senior Unsecured Revolving Facility, additional borrowing capacity | 50.0 |
Senior Unsecured Revolving Facility, maturity date | Jan. 18, 2018 |
Revolving Credit Facility | Letter of Credit |  |
Debt Instrument [Line Items] |  |
Senior Unsecured Revolving Facility, maximum borrowing capacity | 15.0 |
Other Financial Institutions | Standby Letters of Credit |  |
Debt Instrument [Line Items] |  |
Long-term debt arrangement | 1.5 | 1.4
Csv Of Coli Contracts |  |
Debt Instrument [Line Items] |  |
Outstanding policy loans | $ 72.9 | $ 73.3
Csv Of Coli Contracts | Minimum |  |
Debt Instrument [Line Items] |  |
Interest payable fixed and variable rates | 4.76% |
Csv Of Coli Contracts | Maximum |  |
Debt Instrument [Line Items] |  |
Interest payable fixed and variable rates | 8.00% |

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- Definition The amount the Company must maintain of unrestricted cash and or marketable securities (excluding any marketable securities that are held in trust for the settlement of obligations under certain deferred compensation plans) as a condition of consummating permitted acquisitions, paying dividends to shareholders and repurchases of our common stock. + References No definition available. + Details
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- Definition Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + 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 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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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 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 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: 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 + Details
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