Long-term debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

Long-term debt consisted of the following:

	December 31, 2012			December 31, 2011
	(Amounts in thousands)
Senior credit facility, secured by first priority security interests in substantially all real and personal property assets of ACI and its subsidiaries, consisting of the following:
Revolving loan facility, at variable interest (3.0% at December 31, 2011); principal due April 14, 2016	$	—		$	239,000
Term loan A facility, at variable interest (2.8% at December 31, 2012 and 3.0% at December 31, 2011); principal due April 14, 2016 subject to certain amortization requirements	192,500			200,000
Term loan B facility, at variable interest (4.0% at December 31, 2012 and 2011); principal due April 14, 2018 subject to certain amortization requirements (net of $1,368 and $1,594 discount at December 31, 2012 and 2011, respectively)	684,937			693,156
Senior notes, unsecured, 7.5% fixed interest, payable semi-annually on April 15 and October 15, principal due April 15, 2021 (net of $442 net premium at December 31, 2012 and $6,664 discount at December 31, 2011)	1,040,442			793,336
Senior notes, unsecured, 9.25% fixed interest, payable semi-annually on June 1 and December 1, principal paid in full on December 3, 2012	—			467
Other	100			105
	1,917,979			1,926,064
Less: Current maturities	(37,047		)	(23,132		)
	$	1,880,932		$	1,902,932

Schedule of Maturities of Long-term Debt [Table Text Block]

Maturities of the Company’s borrowings for each of the next five years and thereafter as of December 31, 2012 are as follows (amounts in thousands):

Year	Maturities
2013	$	37,047
2014	38,019
2015	107,006
2016	37,007
2017	7,008
Thereafter	1,692,818
	1,918,905
Debt discounts and premium, net	(926		)
Long-term debt, including current portion	$	1,917,979