INCOME TAXES (NARRATIVE) (DETAILS) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Mar. 31, 2016	Mar. 31, 2017	Jun. 30, 2016	Mar. 31, 2016
Income Tax Narrative [Line Items]
Total deferred tax assets, net of valuation allowance		$ 47.1
Valuation allowance on deferred tax assets		9.8
Deferred tax assets, net of valuation allowance and deferred tax liabilities		$ 46.8
Effective income tax rate	27.60%	21.10%
Income Tax Holidays Description		The Company has been granted "Tax Holidays" as an incentive to attract foreign investment by the governments of the Philippines and Costa Rica. Generally, a Tax Holiday is an agreement between the Company and a foreign government under which the Company receives certain tax benefits in that country, such as exemption from taxation on profits derived from export-related activities. In the Philippines, the Company has been granted multiple agreements with an initial period of four years and additional periods for varying years, expiring at various times between 2011 and 2020.
Income Tax Holiday Termination Date		2011 and 2020
Aggregate Effect on Income Tax Expense for Income Tax Holiday Jurisdictions		$ 3.1		$ 2.5
Diluted Net Income Per Share Effect For Income Tax Holiday Jurisdictions		$ 0.07		$ 0.05
Settlement with Taxing Authority [Member]
Income Tax Narrative [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions		$ 0.8
Expired statute of limitations [Member]
Income Tax Narrative [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions		$ 0.5	$ 0.3
United States
Income Tax Narrative [Line Items]
Income Tax Years under Audit		2013 to present
Hong Kong rogenSi
Income Tax Narrative [Line Items]
Income Tax Years under Audit		2014,
Canada
Income Tax Narrative [Line Items]
Income Tax Years under Audit		2009 and 2010, and the state of Michigan in the United States for tax years 2012 through 2015