Liquidity (Tables)

3 Months Ended

Mar. 31, 2013

Liquidity [Abstract]

Schedule of Debt Covenants [Table Text Block]

The covenants for each of the remaining test periods are as follows:

Four Consecutive Fiscal Quarters Ending	Minimum Consolidated EBITDA	Maximum Total Leverage Ratio	Minimum Interest Coverage Ratio
March 31, 2013	$200,000,000	7.4 to 1.00	1.20 to 1.00
June 30, 2013	$235,000,000	6.5 to 1.00	1.45 to 1.00
September 30, 2013	$260,000,000	6.0 to 1.00	1.60 to 1.00
December 31, 2013	$275,000,000	5.7 to 1.00	1.65 to 1.00
March 31, 2014	$300,000,000	5.1 to 1.00	1.80 to 1.00
June 30, 2014	$325,000,000	4.8 to 1.00	1.90 to 1.00
September 30, 2014	$355,000,000	4.6 to 1.00	2.10 to 1.00
December 31, 2014	$365,000,000	4.4 to 1.00	2.15 to 1.00