Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Other Comprehensive Income [Abstract]
Foreign Currncy Translation, Change in Period	$ (35,734)	$ 8,375	$ (21,574)	$ 30,498
Foreign Currency Translation, Tax	0	0	0	0
Exchange rate impact on OCI foreign currency translation	0	0	0	0
Foreign Currency Translation, Net Change	(35,734)	8,375	(21,574)	30,498
Pension and Postretirement Plan Adjustment, Change in Period	1,149	1,685	2,757	2,687
Pension and Postretirement Plans, Tax	(430)	(630)	(1,032)	(1,007)
Pension and postretirement, effect of exchange rates	643	(61)	114	(737)
Pension and Postretirement Plans, Net Change	1,362	994	1,839	943
Unrealized Gain on Hedging Activities, Change in Period	(2,021)	1,194	210	2,824
Unrealized Gains on Hedging Activities, Tax	430	(136)	28	(310)
Unrealized gains on hedging activities, effect of exchange rates	148	(19)	50	(22)
Unrealized gains on Hedging Activities, Net Change	(1,443)	1,039	288	2,492
Other Comprehensive Income (Loss), Change in Period	(36,606)	11,254	(18,607)	36,009
Other Comprehensive Income (Loss), Tax	0	(766)	(1,004)	(1,317)
Other Comprehensive Income, Effect of Exchange Rates	791	(80)	164	(759)
Other Comprehensive Income (Loss)	$ (35,815)	$ 10,408	$ (19,447)	$ 33,933