Other noncurrent liabilities (Tables)

6 Months Ended

Jun. 30, 2013

Other Liabilities Disclosure [Abstract]

Summary of Other Noncurrent Liabilities

	December 31, 2012		June 30, 2013
	(In thousands)
Reserve for uncertain tax positions	$	16,832	$	16,832
Insurance claims and expenses		586		585
Other		1,154		998
Total	$	18,572	$	18,415