Hedging Activities and Fair Value Measurements (Summary of Fair Value Hierarchy of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) (USD $) In Thousands	Jun. 30, 2011
Foreign currency forwards	$ 1,119	[1]
Trading securities held in deferred compensation plan	6,334	[2]
Total	7,453
Foreign currency forwards	2,774	[1]
Interest rate swaps	1,172	[3]
Phantom stock plan	6,069	[4]
Deferred compensation plan	6,334	[5]
Total	16,349
Fair Value, Inputs, Level 1 [Member]
Foreign currency forwards		[1]
Trading securities held in deferred compensation plan	6,334	[2]
Total	6,334
Foreign currency forwards		[1]
Interest rate swaps		[3]
Phantom stock plan		[4]
Deferred compensation plan	6,334	[5]
Total	6,334
Fair Value, Inputs, Level 2 [Member]
Foreign currency forwards	1,119	[1]
Trading securities held in deferred compensation plan		[2]
Total	1,119
Foreign currency forwards	2,774	[1]
Interest rate swaps	1,172	[3]
Phantom stock plan	6,069	[4]
Deferred compensation plan		[5]
Total	10,015
Fair Value, Inputs, Level 3 [Member]
Foreign currency forwards		[1]
Trading securities held in deferred compensation plan		[2]
Total
Foreign currency forwards		[1]
Interest rate swaps		[3]
Phantom stock plan		[4]
Deferred compensation plan		[5]
Total

[1] Based on internally-developed models that use as their basis readily observable market parameters such as current spot and forward rates, and the LIBOR index.

[2] Based on the observable price of publicly traded mutual funds which, in accordance with FASB ASC 710, Compensation - General, are classified as "Trading" securities and accounted for using the mark-to-market method.

[3] Measured as the present value of all expected future cash flows based on the LIBOR-based swap yield curve as of June 30, 2011. The present value calculation uses discount rates that have been adjusted to reflect the credit quality of the Company and its counterparties.

[4] Based on the price of the Company's common stock.

[5] Based on the fair value of the investments in the deferred compensation plan.