Shareholders' Equity Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period			$ (136,514)
OCI before reclassifications			(681)
Total other comprehensive income (loss), net of tax	$ (14,801)	$ (48,893)	(61,029)	$ (60,003)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	(866)	(98)	(1,863)	(313)
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	(197,543)		(197,543)
Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period			(136,514)	(21,722)
OCI before reclassifications			(64,616)	(60,477)
Amounts reclassified from AOCI			3,587	474
Total other comprehensive income (loss), net of tax			(61,029)	(60,003)
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	(197,543)	(81,725)	(197,543)	(81,725)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period			(86,534)	3,799
OCI before reclassifications			(63,934)	(60,760)
Amounts reclassified from AOCI			962	0
Total other comprehensive income (loss), net of tax			(62,972)	(60,760)
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	(149,506)	(56,961)	(149,506)	(56,961)
Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period			(768)	(1,256)
OCI before reclassifications			(681)	(344)
Amounts reclassified from AOCI			761	788
Total other comprehensive income (loss), net of tax			80	444
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	(688)	(812)	(688)	(812)
Accumulated Other Comprehensive Income, Net Unrealized Gain (Loss) on Nonderivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period			(14,380)	(14,380)
OCI before reclassifications			0	0
Amounts reclassified from AOCI			0	0
Total other comprehensive income (loss), net of tax			0	0
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	(14,380)	(14,380)	(14,380)	(14,380)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period			(34,832)	(9,885)
OCI before reclassifications			(1)	627
Amounts reclassified from AOCI			1,864	(314)
Total other comprehensive income (loss), net of tax			1,863	313
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	$ (32,969)	$ (9,572)	$ (32,969)	$ (9,572)