OTHER COMPREHENSIVE INCOME (Changes In AOCI Net Of Tax) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Net of Tax, Beginning Balance			$ (99,631)
Other comprehensive income before reclassifications			2,943	[1]
Amounts reclassified from AOCI			5,173
Other comprehensive income	1,712	2,790	8,116		71,641
AOCI, Net of Tax, Ending Balance	(91,515)	(153,876)	(91,515)		(153,876)
Reclassification Adjustment for Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Net of Tax, Beginning Balance			(25,178)
Other comprehensive income before reclassifications			0	[1]
Amounts reclassified from AOCI			4,167
Other comprehensive income			4,167
AOCI, Net of Tax, Ending Balance	(21,011)		(21,011)
Amortization of Pension and Postretirement Plan Actuarial Loss and Prior Service Cost
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Net of Tax, Beginning Balance			(74,453)
Other comprehensive income before reclassifications			2,943	[1]
Amounts reclassified from AOCI			1,006
Other comprehensive income			3,949
AOCI, Net of Tax, Ending Balance	$ (70,504)		$ (70,504)

[1] Remeasurement of the postretirement obligation was a result of the March 2014 sale of our cement and concrete businesses in the Florida area (see Note 16).