Basis of Presentation and Accounting Policy Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (4,243)		$ (4,243)		$ (1,986)
Stockholders' Equity Note, Spinoff Transaction			(415,371)
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent			(3,388)
Other Comprehensive Income (Loss), before Tax	142	(805)	(3,840)	3,429
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent			1,186
Other Comprehensive Income (Loss), Tax	(41)	249	1,186	(1,145)
Other Comprehensive Income (Loss), Net of Tax	101	(556)	(2,654)	2,284
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(3,949)		(3,949)		(1,238)
Stockholders' Equity Note, Spinoff Transaction			(55)
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent			(4,086)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent			1,430
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(278)		(278)		(732)
Stockholders' Equity Note, Spinoff Transaction			0
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent			698
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent			(244)
Other Postretirement Benefit Plans, Defined Benefit [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(16)		(16)		(16)
Stockholders' Equity Note, Spinoff Transaction			0
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent			0
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent			0
Non-Controlling Interests In Subsidiaries [Member]
Stockholders' Equity Note, Spinoff Transaction			(107)
Other Comprehensive Income (Loss), Net of Tax			(452)
Non-Controlling Interests In Subsidiaries [Member] | Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(131)		(131)		321
Stockholders' Equity Note, Spinoff Transaction			0
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Noncontrolling Interest			(452)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest			0
Non-Controlling Interests In Subsidiaries [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(10)		(10)		(10)
Stockholders' Equity Note, Spinoff Transaction			0
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Noncontrolling Interest			0
Other Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest			0
Accumulated Other Comprehensive Income (Loss) [Member]
Stockholders' Equity Note, Spinoff Transaction			(55)
Other Comprehensive Income (Loss), Net of Tax			$ (2,202)