XML 26 R47.htm IDEA: XBRL DOCUMENT

Certain provisions of the partnership agreement 2 (Details) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]
Weighted Average Number Of Diluted Shares Outstanding	47,568	47,350

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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