Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands		9 Months Ended
	Sep. 04, 2015	Sep. 30, 2015	Dec. 31, 2014	Sep. 26, 2014
Summary of Investment Holdings [Line Items]
Stock dividend paid to company stockholders				5.00%
Fair market value of embedded derivatives at the midpoint of the inputs		$ 149,739	$ 169,386
Cancellation of treasury shares	$ 12,857	0
Cancellation of treasury shares (in shares)	4,145,247
Minimum [Member]
Summary of Investment Holdings [Line Items]
Fair market value of embedded derivatives at the midpoint of the inputs		148,769	167,593
Maximum [Member]
Summary of Investment Holdings [Line Items]
Fair market value of embedded derivatives at the midpoint of the inputs		$ 150,125	$ 171,215