CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net sales	$ 592,418	$ 664,740	$ 1,143,140	$ 1,322,640
Cost of goods sold	389,491	438,959	751,111	876,469
Gross profit	202,927	225,781	392,029	446,171
Selling, general & administrative expenses	120,497	127,755	234,307	257,646
Restructuring, Settlement and Impairment Provisions	0	1,239	0	1,239
Deconsolidation, (Gain) Loss, Amount	34,348	0	34,348	0
Operating income	48,082	96,787	123,374	187,286
Other income (expense):
Interest income	435	738	865	1,331
Equity earnings in affiliates	839	979	1,465	1,828
Other income	588	317	1,249	2,927
Interest expense	(4,186)	(4,387)	(8,013)	(6,231)
Total other income (expense)	(2,324)	(2,353)	(4,434)	(145)
Income before income taxes	45,758	94,434	118,940	187,141
Income taxes	14,449	23,558	34,007	47,947
Net income including non-controlling interests	31,309	70,876	84,933	139,194
Non-controlling interests in subsidiaries’ loss	(8)	(22)	(22)	(58)
Net income	$ 31,317	$ 70,898	$ 84,955	$ 139,252
Basic earnings (loss) per share (in dollars per share)	$ 0.46	$ 0.95	$ 1.23	$ 1.84
Diluted earnings (loss) per share (in dollars per share)	0.45	0.94	1.22	1.82
Cash dividends declared per share (in dollars per share)	$ 0.32	$ 0.29	$ 0.64	$ 0.58