CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Net sales	$ 550,722	$ 657,900
Cost of goods sold	361,620	437,510
Gross profit	189,102	220,390
Selling, general & administrative expenses	113,810	129,891
Operating income	75,292	90,499
Other income (expense):
Interest income	430	593
Equity earnings in affiliates	626	849
Other income	661	2,610
Interest expense	(3,827)	(1,844)
Total other income (expense)	(2,110)	2,208
Income before income taxes	73,182	92,707
Income taxes	19,558	24,389
Net income including non-controlling interests	53,624	68,318
Non-controlling interests in subsidiaries’ loss	(14)	(36)
Net income	$ 53,638	$ 68,354
Basic earnings (loss) per share (in dollars per share)	$ 0.77	$ 0.90
Diluted earnings (loss) per share (in dollars per share)	0.76	0.89
Cash dividends declared per share (in dollars per share)	$ 0.32	$ 0.29