XML 48 R34.htm IDEA: XBRL DOCUMENT
v3.6.0.2

FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) | 9 Months Ended
--- | ---
Dec. 31, 2016
Fair Value Disclosures [Abstract] |
Fair Value of Senior Notes | The fair value of our long-term debt has been estimated based upon our current incremental borrowing rates for similar types of borrowing arrangements. The fair value of our Senior Notes at December 31, 2016 is as follows:
|  | Fair Value |
|  | (dollars in thousands) |
Series 2005A Tranche C |  | $ | 58,431 |
Series 2007A Tranche C |  |  | 24,609 |
Series 2007A Tranche D |  |  | 39,056 |
4.5% Senior Unsecured Notes Due 2026 |  |  | 349,171 |

X
- Definition Schedule of fair value of long term debt. + References No definition available. + Details
Name: | exp_ScheduleOfFairValueOfLongTermDebtTableTextBlock
Namespace Prefix: | exp_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration