The Company and Significant Accounting Policies - Margin for Revolving Loans (Detail)	9 Months Ended
	Sep. 30, 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	4.50
First lien net leverage ratio lower limit	1.00
Less than 4.50 to 1.00 [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
First lien net leverage ratio upper limit	4.50
First lien net leverage ratio lower limit	1.00
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%