v3.3.0.814

EMPLOYEE BENEFIT PLANS (Details) $ / shares in Units, $ in Thousands, £ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2015 USD ($) $ / shares shares | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) $ / shares shares | Sep. 30, 2014 USD ($) | Mar. 31, 2016 USD ($) | Mar. 31, 2015 GBP (£) | Mar. 31, 2015 USD ($) $ / shares
Pension Plan [Line Items] |  |  |  |  |  |  |
Service cost | $ 2,399 | $ 2,087 | $ 4,772 | $ 4,333 |  |  |
Interest cost | 5,226 | 6,437 | 10,396 | 13,366 |  |  |
Expected return on assets | (7,014) | (7,638) | (13,955) | (15,861) |  |  |
Amortization of unrecognized losses | 2,153 | 1,641 | 4,285 | 3,409 |  |  |
Net periodic pension cost | $ 2,764 | 2,527 | $ 5,498 | 5,247 |  |  |
Incentive Compensation [Line Items] |  |  |  |  |  |  |
Common Stock, par value | $ / shares | $ 0.01 |  | $ 0.01 |  |  |  | $ 0.01
Stock based compensation expense | $ 6,400 | 4,200 | $ 10,380 | 8,407 |  |  |
Stock option grants- shares | shares | 26,406 |  | 740,718 |  |  |  |
Restricted stock grants- shares | shares | 22,910 |  | 213,349 |  |  |  |
Restricted stock grants- fair value | $ / shares | $ 45.01 |  | $ 56.76 |  |  |  |
Risk free interest rate |  |  | 1.62% |  |  |  |
Expected life (years) |  |  | 6 years |  |  |  |
Volatility |  |  | 28.10% |  |  |  |
Dividend yield |  |  | 3.14% |  |  |  |
Weighted average exercise price of options granted | $ / shares |  |  | $ 57.52 |  |  |  |
Weighted average grant-date fair value of options granted | $ / shares |  |  | $ 10.71 |  |  |  |
Performance cash compensation liability | $ 13,600 |  | $ 13,600 |  |  |  | $ 21,000
Performance cash compensation expense | $ 1,600 | $ 2,500 | $ 1,700 | $ 4,600 |  |  |
Plan 2007 |  |  |  |  |  |  |
Incentive Compensation [Line Items] |  |  |  |  |  |  |
Common Stock shares reserved | shares | 5,400,000 |  | 5,400,000 |  |  |  |
Shares available for grant | shares | 1,438,501 |  | 1,438,501 |  |  |  |
Pension Plan | UK Pension Plans |  |  |  |  |  |  |
Pension Plan [Line Items] |  |  |  |  |  |  |
Cash Contributions |  |  | $ 5,000 |  |  |  |
Pension Plan | UK Pension Plans | Forecast |  |  |  |  |  |  |
Pension Plan [Line Items] |  |  |  |  |  |  |
Estimated cash contributions |  |  |  |  | $ 18,100 |  |
Pension Plan | Norway pension plan |  |  |  |  |  |  |
Pension Plan [Line Items] |  |  |  |  |  |  |
Cash Contributions |  |  | $ 2,000 |  |  |  |
Pension Plan | Norway pension plan | Forecast |  |  |  |  |  |  |
Pension Plan [Line Items] |  |  |  |  |  |  |
Estimated cash contributions |  |  |  |  | $ 11,700 |  |
Pension Plan | UK staff pension plan |  |  |  |  |  |  |
Pension Plan [Line Items] |  |  |  |  |  |  |
Cash Contributions |  |  |  |  |  | £ 12.5 | $ 18,600

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- Definition Aggregate number of common shares reserved for future issuance. + 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 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Expected Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512171 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Service Cost (Component of Net Periodic Pension Cost) -URI http://asc.fasb.org/extlink&oid=6525008 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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