XML 146 R101.htm IDEA: XBRL DOCUMENT

Note 12 - Postretirement Medical Benefits (Detail) - Estimated Costs Amortized from Accumulated Other Comprehensive Income into Net Periodic Cost (Postretirement Medical Benefits [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Postretirement Medical Benefits [Member]
Unrecognized prior service cost	$ 257
Total	$ 257

The amounts in accumulated other comprehensive income related to prior service cost or credit expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

+ References+ Details

- Definition

The aggregate amount in accumulated other comprehensive income expected to be recognized as a component of net periodic benefit cost over the fiscal year that follows the most recent annual statement of financial position presented, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation.

+ References+ Details