XML 18 R33.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Share-Based Compensation (Tables) | 9 Months Ended
--- | ---
Feb. 28, 2013
Transactions Involving Stock Options | Transactions involving our stock options during the nine months ended February 28, 2013 and February 29, 2012 are summarized below:
|  | Nine months Ended February 28, 2013 |  |  | Nine Months Ended February 29, 2012 |
|  | (unaudited) |  |  | (unaudited) |
|  | No. of Options |  |  | Weighted Average Exercise Price |  |  | No. of Options |  |  | Weighted Average Exercise Price |
|  | (in thousands) |  |  |  |  |  | (in thousands) |  |  |  |
Shares under option, beginning of period |  |  | 1,562 |  |  | $ | 18.95 |  |  |  | 1,856 |  |  | $ | 17.81 |
Changes during the period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | — |
Exercised |  |  | (508 | ) |  | $ | 16.23 |  |  |  | (217 | ) |  | $ | 10.27 |
Cancelled |  |  | — |  |  | $ | — |  |  |  | (2 | ) |  | $ | 30.33 |
Expired |  |  | — |  |  | $ | — |  |  |  | (10 | ) |  | $ | 30.33 |
Shares under option, end of period |  |  | 1,054 |  |  | $ | 20.25 |  |  |  | 1,627 |  |  | $ | 18.73 |
Exercisable at end of period |  |  | 1,054 |  |  | $ | 20.25 |  |  |  | 1,623 |  |  | $ | 18.70 |
Options Outstanding, Range of Exercise Prices and Remaining Contractual Lives | For total options outstanding at February 28, 2013, the range of exercise prices and remaining contractual lives are as follows (unaudited):
Range of Prices |  | No. of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Life |
|  | (in thousands) |  |  |  |  |  | (in years) |
$6.42 to $9.62 |  |  | 122 |  |  | $ | 8.92 |  |  |  | 2.2 |
$9.63 to $12.82 |  |  | 157 |  |  | $ | 11.10 |  |  |  | 2.9 |
$12.83 to $16.03 |  |  | 308 |  |  | $ | 14.56 |  |  |  | 3.3 |
$16.04 to $32.05 |  |  | 467 |  |  | $ | 30.05 |  |  |  | 4.6 |
|  |  | 1,054 |  |  | $ | 20.25 |  |  |  | 3.7 |
Transactions Involving Stock Units and Director Stock Grants | Transactions involving our stock units and director stock grants during the nine months ended February 28, 2013 and February 29, 2012 are summarized below:
|  | Nine Months Ended February 28, 2013 |  |  | Nine Months Ended February 29, 2012 |
|  | (unaudited) |  |  | (unaudited) |
|  | No. of Stock Units |  |  | Weighted Average Fair Value |  |  | No. of Stock Units |  |  | Weighted Average Fair Value |
|  | (in thousands) |  |  |  |  |  | (in thousands) |  |  |  |
Stock and stock units, beginning of period |  |  | 342 |  |  | $ | 21.73 |  |  |  | 310 |  |  | $ | 19.80 |
Changes during the period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted |  |  | 141 |  |  | $ | 32.81 |  |  |  | 159 |  |  | $ | 24.78 |
Vested and settled |  |  | (142 | ) |  | $ | 22.54 |  |  |  | (119 | ) |  | $ | 20.80 |
Cancelled |  |  | (8 | ) |  | $ | 22.40 |  |  |  | (5 | ) |  | $ | 21.19 |
Stock and stock units, end of period |  |  | 333 |  |  | $ | 26.07 |  |  |  | 345 |  |  | $ | 21.73 |
Transactions Involving Performance Awards | Transactions involving our performance awards during the nine months ended February 28, 2013 and February 29, 2012 are summarized below:
|  | Nine Months Ended February 28, 2013 |  |  | Nine Months Ended February 29, 2012 |
|  | (unaudited) |  |  | (unaudited) |
|  | No. of Performance Awards |  |  | Weighted Average Fair Value |  |  | No. of Performance Awards |  |  | Weighted Average Fair Value |
|  | (in thousands) |  |  |  |  |  | (in thousands) |  |  |  |
Performance awards, beginning of period |  |  | 65 |  |  | $ | 21.86 |  |  |  | 61 |  |  | $ | 20.33 |
Changes during the period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted |  |  | 19 |  |  | $ | 32.89 |  |  |  | 24 |  |  | $ | 25.16 |
Vested and settled |  |  | (27 | ) |  | $ | 22.04 |  |  |  | (20 | ) |  | $ | 21.14 |
Cancelled |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | — |
Performance awards, end of period |  |  | 57 |  |  | $ | 25.45 |  |  |  | 65 |  |  | $ | 21.86 |

X
- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number, aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both restricted stock units outstanding and restricted stock units fully vested and expected to vest at the date of the latest statement of financial position. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsVestedAndExpectedToVestTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration