The Company and Significant Accounting Policies (Details 2)	6 Months Ended
	Jun. 30, 2013
Greater than or equal to 4.50 to 1.00 [Member]
Margin for the revolving loans
First lien net leverage ratio upper limit	4.50
First lien net leverage ratio lower limit	1.00
Greater than or equal to 4.50 to 1.00 [Member] | LIBOR Margin [Member]
Margin for the revolving loans
Margin Rate	2.50%
Greater than or equal to 4.50 to 1.00 [Member] | Base Rate Margin [Member]
Margin for the revolving loans
Margin Rate	1.50%
Less than 4.50 to 1.00 [Member]
Margin for the revolving loans
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] | LIBOR Margin [Member]
Margin for the revolving loans
Margin Rate	2.25%
Less than 4.50 to 1.00 [Member] | Base Rate Margin [Member]
Margin for the revolving loans
Margin Rate	1.25%