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Employee Benefit Plans - Additional Information (Detail) - USD ($) | 3 Months Ended
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Jun. 30, 2015 | Jun. 30, 2014
Supplemental Executive Retirement Plan |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, employer contributions | $ 0 | $ 0
Expected contribution to the plan during the remaining quarters of fiscal 2016 | 0 |
U.S. Defined Benefit Pension Plan |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, employer contributions | 0 | $ 0
Expected contribution to the plan during the remaining quarters of fiscal 2016 | $ 0 |

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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 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 Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after 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 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Details
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- Details
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