Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting Information [Line Items]
Revenue from external customers	$ 346,009	$ 373,373	$ 692,235	$ 740,498
Total Revenue	357,888	385,109	716,002	764,674
Operating income (loss)	45,067	49,744	91,513	58,330
Interest expense	4,106	3,718	8,021	7,849
Earnings (Loss) before income taxes	40,961	46,026	83,492	50,481
Flavors & Fragrances [Member]
Segment Reporting Information [Line Items]
Total Revenue	204,632	217,490	410,610	431,823
Color [Member]
Segment Reporting Information [Line Items]
Total Revenue	119,349	132,234	239,864	265,225
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Total Revenue	33,907	35,385	65,528	67,626
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	346,009	373,373	692,235	740,498
Operating Segments [Member] | Flavors & Fragrances [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	198,077	211,266	397,177	418,128
Operating income (loss)	32,526	34,144	62,985	64,388
Interest expense	0	0	0	0
Earnings (Loss) before income taxes	32,526	34,144	62,985	64,388
Operating Segments [Member] | Color [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	114,078	126,833	229,615	254,855
Operating income (loss)	24,808	30,726	50,947	60,500
Interest expense	0	0	0	0
Earnings (Loss) before income taxes	24,808	30,726	50,947	60,500
Operating Segments [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenue from external customers	33,854	35,274	65,443	67,515
Operating income (loss)	(12,267)	(15,126)	(22,419)	(66,558)
Interest expense	4,106	3,718	8,021	7,849
Earnings (Loss) before income taxes	(16,373)	(18,844)	(30,440)	(74,407)
Intersegment Revenue [Member]
Segment Reporting Information [Line Items]
Total Revenue	11,879	11,736	23,767	24,176
Intersegment Revenue [Member] | Flavors & Fragrances [Member]
Segment Reporting Information [Line Items]
Total Revenue	6,555	6,224	13,433	13,695
Intersegment Revenue [Member] | Color [Member]
Segment Reporting Information [Line Items]
Total Revenue	5,271	5,401	10,249	10,370
Intersegment Revenue [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Total Revenue	$ 53	$ 111	$ 85	$ 111