Long-term debt (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

Long-term debt consisted of the following:

	March 31, 2013			December 31, 2012
	(Dollars 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; principal due April 14, 2016	$	—		$	—
Term loan A facility, at variable interest (2.7% at March 31, 2013 and 2.8% at December 31, 2012); principal due April 14, 2016 subject to certain amortization requirements	190,000			192,500
Term loan B facility, at variable interest (4.0% at March 31, 2013 and December 31, 2012); principal due April 14, 2018 subject to certain amortization requirements (net of $1,310 and $1,368 discount at March 31, 2013 and December 31, 2012, respectively)	684,690			684,937
Senior notes, unsecured, 7.5% fixed interest, payable semi-annually on April 15 and October 15, principal due April 15, 2021 (net of $357 and $442 net premium at March 31, 2013 and December 31, 2012, respectively)	1,040,357			1,040,442
Other	100			100
	1,915,147			1,917,979
Less: Current maturities	(41,463		)	(37,047		)
	$	1,873,684		$	1,880,932