Sky Growth Merger (Sources and Uses of Funds for Merger) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended	0 Months Ended
	Dec. 31, 2011	Sep. 28, 2012 Sky Growth Merger [Member]
Sources:
Senior secured term loan		$ 1,055,000
7.375% Senior notes		490,000
Sponsor equity contribution		690,000
Company cash on hand		144,791
Total source of funds		2,379,791
Uses:
Cash purchase of equity		1,908,725
Prior debt and accrued interest		337,704
Total purchase price		2,246,429
Transaction costs	8,264	133,362
Total use of funds		$ 2,379,791