Debt (Tables)

3 Months Ended

Mar. 31, 2012

Debt Instruments [Abstract]

Schedule of covenant ratios

Measurement of the the ratio of the amount of Covenant EBITDA to the Company's cash interest expense (the “Consolidated Interest Coverage Ratio”), which must be met quarterly for each trailing four-consecutive-quarter period.

	Amount permitted at				Amount at
Covenant Ratio	March 31, 2012				March 31, 2012
Consolidated Leverage Ratio	Less than	3.35	to	1.00	2.72	to	1.00
Consolidated Interest Coverage Ratio	More than	4.25	to	1.00	6.14	to	1.00