Long-Term Debt Outstanding Revolving Loans (Details) - Revolving credit facility [Member] € in Thousands, £ in Thousands, CAD in Thousands, $ in Thousands	Jun. 30, 2016 EUR (€)	Jun. 30, 2016 GBP (£)	Jun. 30, 2016 CAD	Jun. 30, 2016 USD ($)
British pound (swingline loan) [Member]
Line of Credit Facility [Line Items]
Long-term Debt, Gross		£ 3,000		$ 3,980
Debt Instrument, Interest Rate, Stated Percentage	2.48%	2.48%	2.48%	2.48%
British pound revolving loan [Member]
Line of Credit Facility [Line Items]
Long-term Debt, Gross		£ 31,000		$ 41,131
Debt Instrument, Interest Rate, Stated Percentage	2.51%	2.51%	2.51%	2.51%
Canadian dollar revolving loan [Member]
Line of Credit Facility [Line Items]
Long-term Debt, Gross			CAD 17,000	$ 13,099
Debt Instrument, Interest Rate, Stated Percentage	2.87%	2.87%	2.87%	2.87%
Euro revolving loan [Member]
Line of Credit Facility [Line Items]
Long-term Debt, Gross	€ 17,600			$ 19,489
Debt Instrument, Interest Rate, Stated Percentage	2.00%	2.00%	2.00%	2.00%