Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001362988 (http://www.sec.gov/CIK)

Income Tax Disclosure [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31	2015-01-01 - 2015-12-31	2014-01-01 - 2014-12-31
Income Tax Disclosure [Abstract]
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current:
Federal	2,004,000	4,167,000	1,571,000
State	587,000	994,000	390,000
Non-U.S	3,560,000	14,499,000	9,040,000
Current income tax provision	6,151,000	19,660,000	11,001,000
Deferred:
Federal	1,350,000	829,000	2,335,000
State	(157,000)	57,000	932,000
Non-U.S	4,963,000	(7,775,000)	(405,000)
Deferred income tax provision (benefit)	6,156,000	(6,889,000)	2,862,000
Total	12,307,000	12,771,000	13,863,000