Fair Value Measurements (Fair Value Assets (Liabilities) Measured On Recurring Basis) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unrealized total losses recorded in accumulated other comprehensive income	$ 300,000		$ (800,000)
Fair Value Measurements Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contracts	0		0
Forward currency exchange contracts	(406,000)		260,000
Nonqualified savings plan assets	11,347,000	[1]	8,264,000	[1]
Marketable securities	6,042,000	[2]	4,412,000	[2]
Total	16,983,000		12,936,000
Level 1 [Member] | Fair Value Measurements Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contracts	0		0
Forward currency exchange contracts	0		0
Nonqualified savings plan assets	11,347,000	[1]	8,264,000	[1]
Marketable securities	6,042,000	[2]	4,412,000	[2]
Total	17,389,000		12,676,000
Level 2 [Member] | Fair Value Measurements Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contracts	0		0
Forward currency exchange contracts	(406,000)		260,000
Nonqualified savings plan assets	0	[1]	0	[1]
Marketable securities	0	[2]	0	[2]
Total	(406,000)		260,000
Level 3 [Member] | Fair Value Measurements Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate contracts	0		0
Forward currency exchange contracts	0		0
Nonqualified savings plan assets	0	[1]	0	[1]
Marketable securities	0	[2]	0	[2]
Total	$ 0		$ 0

[1] The nonqualified savings plan assets have an offsetting liability of equal amount, which is included in "Accounts payable and accrued expenses" in the Company's consolidated balance sheets.

[2] Cumulative unrealized total gains/(losses), net of tax, on these equity securities of $0.3 million and ($0.8) million as of December 31, 2012 and 2011, respectively, are recorded in "Accumulated other comprehensive income (loss)" in the Company's consolidated statements of equity.