Long-Term Debt - Margin for Revolving Loans (Detail)	12 Months Ended
	Dec. 31, 2013
Greater than or Equal to 4.50 to 1.00 [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
First Lien Net Leverage Ratio Upper Limit	4.5
First Lien Net Leverage Ratio Lower Limit	1
Less than 4.50 to 1.00 [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
First Lien Net Leverage Ratio Upper Limit	4.5
First Lien Net Leverage Ratio Lower Limit	1
LIBOR Margin [Member] | Greater than or Equal to 4.50 to 1.00 [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Margin Rate	2.50%
LIBOR Margin [Member] | Less than 4.50 to 1.00 [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Margin Rate	2.25%
Base Rate Margin [Member] | Greater than or Equal to 4.50 to 1.00 [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Margin Rate	1.50%
Base Rate Margin [Member] | Less than 4.50 to 1.00 [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Margin Rate	1.25%