Long-Term Obligations - Debt Covenants - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Senior Secured Credit and Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Leverage ratio	600.00%
Interest coverage ratio	185.00%
Senior Secured Notes [Member]
Debt Instrument [Line Items]
Leverage ratio	468.00%	490.00%
Line of Credit [Member]
Debt Instrument [Line Items]
Leverage ratio	468.00%	490.00%