Restructuring - (Activity in Restructuring Accruals) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Restructuring Reserve [Roll Forward]
Balance, beginning	$ 0
Employee severance and related costs	20,424	[1]	0	[1]	0	[1]
Balance, ending	2,780		0
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Balance, ending	2,780
Employee Severance [Member] | 2014 Restructuring Program [Member]
Restructuring Reserve [Roll Forward]
Employee severance and related costs	20,424
Payments	$ (17,644)

[1] Represents expenses presented to management on a consolidated basis only and not allocated to the operating segments.