Other Non-current Liabilities

12 Months Ended

Dec. 31, 2013

Other Liabilities, Noncurrent [Abstract]

Other Non-Current Liabilities

Other Non-Current Liabilities

Other non-current liabilities consist of the following at:

	December 31,
	2013		2012
	(In thousands)
Deferred rental expenses	$	16,337	$	7,622
Uncertain tax positions	5,627		6,718
Deferred revenue	1,633		1,411
Other liabilities	211		239
Total	$	23,808	$	15,990

Uncertain tax positions have been recorded for potential exposures involving tax positions that could be challenged by taxing authorities.