Employee Benefit Plans (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Dividends paid	$ 66,132,000	$ 66,176,000	$ 66,131,000
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	316,400	298,600
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Projected benefit obligation	306,500	288,700
Accumulated benefit obligation	306,500	288,700
Fair value of plan assets	207,700	198,800
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Number of capital market results simulated in the model for expected return on plan assets	600
Period for which results of capital markets are simulated	15 years
Expected long-term rates of return on plan assets	7.80%	7.80%	8.00%
Number of shares of Company's common stock included in plan assets	450,000	432,203
Value of shares of Company's common stock included in plan assets	10,600,000	9,000,000
Dividends paid	400,000
Expected long-term rates of return on plan assets for next year (as a percent)	7.50%
Fair values of plan assets	218,084,000	209,237,000	221,673,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	209,237,000	221,673,000
Employer contributions	6,254,000	3,055,000
Fair value of plan assets at end of year	218,084,000	209,237,000	221,673,000
U.S. Plans | Domestic equity securities
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	38.00%	38.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target Long-Term Allocation - Minimum	34.00%
Target Long-Term Allocation - Maximum	44.00%
U.S. Plans | Harsco common stock
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	4.80%	4.30%
U.S. Plans | International equity securities
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	19.70%	18.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target Long-Term Allocation - Minimum	14.00%
Target Long-Term Allocation - Maximum	24.00%
U.S. Plans | Fixed income securities
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	30.50%	32.80%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target Long-Term Allocation - Minimum	27.00%
Target Long-Term Allocation - Maximum	37.00%
U.S. Plans | Other
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	9.50%	9.30%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target Long-Term Allocation - Minimum	5.00%
Target Long-Term Allocation - Maximum	15.00%
U.S. Plans | Cash and cash equivalents
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	2.30%	1.90%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target Long-Term Allocation - Maximum	5.00%
U.S. Plans | Level 1
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	160,531,000	141,553,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	160,531,000	141,553,000
U.S. Plans | Level 1 | Common stocks
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	42,142,000	39,295,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	42,142,000	39,295,000
U.S. Plans | Level 1 | Mutual funds - equities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	11,110,000	19,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	11,110,000	19,000
U.S. Plans | Level 1 | International equities - mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	37,651,000	33,198,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	37,651,000	33,198,000
U.S. Plans | Level 1 | U.S. Treasuries and collateralized securities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 1 | Corporate bonds and notes
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	7,539,000	5,507,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	7,539,000	5,507,000
U.S. Plans | Level 1 | Mutual funds - bonds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	36,447,000	40,110,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	36,447,000	40,110,000
U.S. Plans | Level 1 | Other mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	20,667,000	19,392,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	20,667,000	19,392,000
U.S. Plans | Level 1 | Cash and cash equivalents
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	4,975,000	4,032,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	4,975,000	4,032,000
U.S. Plans | Level 2
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	57,553,000	67,684,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	57,553,000	67,684,000
U.S. Plans | Level 2 | Common stocks
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 2 | Mutual funds - equities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	29,617,000	40,088,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	29,617,000	40,088,000
U.S. Plans | Level 2 | International equities - mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	5,311,000	4,542,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	5,311,000	4,542,000
U.S. Plans | Level 2 | U.S. Treasuries and collateralized securities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	22,625,000	23,054,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	22,625,000	23,054,000
U.S. Plans | Level 2 | Corporate bonds and notes
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 2 | Mutual funds - bonds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 2 | Other mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 2 | Cash and cash equivalents
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 3
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 3 | Common stocks
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 3 | Mutual funds - equities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 3 | International equities - mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 3 | U.S. Treasuries and collateralized securities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 3 | Corporate bonds and notes
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 3 | Mutual funds - bonds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 3 | Other mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Level 3 | Cash and cash equivalents
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
U.S. Plans | Total
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	218,084,000	209,237,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	218,084,000	209,237,000
U.S. Plans | Total | Common stocks
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	42,142,000	39,295,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	42,142,000	39,295,000
U.S. Plans | Total | Mutual funds - equities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	40,727,000	40,107,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	40,727,000	40,107,000
U.S. Plans | Total | International equities - mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	42,962,000	37,740,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	42,962,000	37,740,000
U.S. Plans | Total | U.S. Treasuries and collateralized securities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	22,625,000	23,054,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	22,625,000	23,054,000
U.S. Plans | Total | Corporate bonds and notes
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	7,539,000	5,507,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	7,539,000	5,507,000
U.S. Plans | Total | Mutual funds - bonds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	36,447,000	40,110,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	36,447,000	40,110,000
U.S. Plans | Total | Other mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	20,667,000	19,392,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	20,667,000	19,392,000
U.S. Plans | Total | Cash and cash equivalents
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	4,975,000	4,032,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	4,975,000	4,032,000
International Plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	1,055,700	952,800
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Projected benefit obligation	1,040,400	929,100
Accumulated benefit obligation	1,029,400	921,000
Fair value of plan assets	749,600	673,900
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Expected long-term rates of return on plan assets	6.70%	7.40%	7.40%
Expected long-term rates of return on plan assets for next year (as a percent)	6.60%
Fair values of plan assets	783,059,000	714,163,000	708,025,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	714,163,000	708,025,000
Employer contributions	29,713,000	29,300,000
Fair value of plan assets at end of year	783,059,000	714,163,000	708,025,000
International Plans | Equity securities
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	34.50%	34.70%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target Long-Term Allocation	37.50%
International Plans | Fixed income securities
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	48.00%	50.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target Long-Term Allocation	42.50%
International Plans | Other
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	17.30%	14.90%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target Long-Term Allocation	20.00%
International Plans | Cash and cash equivalents
Defined Benefit Plan, Information about Plan Assets [Abstract]
Percentage of Plan Assets at December 31	0.20%	0.40%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target Long-Term Allocation	0.00%
International Plans | Level 1
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	1,552,000	2,665,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	1,552,000	2,665,000
International Plans | Level 1 | Mutual funds - equities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 1 | Corporate bonds and notes
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets		0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year		0
International Plans | Level 1 | Mutual funds - bonds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 1 | Insurance contracts
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 1 | Real estate funds / limited partnerships
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 1 | Other mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 1 | Cash and cash equivalents
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	1,552,000	2,665,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	1,552,000	2,665,000
International Plans | Level 2
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	763,761,000	699,473,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	763,761,000	699,473,000
International Plans | Level 2 | Mutual funds - equities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	269,789,000	247,629,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	269,789,000	247,629,000
International Plans | Level 2 | Corporate bonds and notes
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets		0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year		0
International Plans | Level 2 | Mutual funds - bonds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	309,274,000	294,010,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	309,274,000	294,010,000
International Plans | Level 2 | Insurance contracts
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	66,900,000	63,169,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	66,900,000	63,169,000
International Plans | Level 2 | Real estate funds / limited partnerships
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	31,261,000	31,097,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	31,261,000	31,097,000
International Plans | Level 2 | Other mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	86,537,000	63,568,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	86,537,000	63,568,000
International Plans | Level 2 | Cash and cash equivalents
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 3
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	17,746,000	12,025,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	17,746,000	12,025,000
International Plans | Level 3 | Mutual funds - equities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 3 | Corporate bonds and notes
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets		0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year		0
International Plans | Level 3 | Mutual funds - bonds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 3 | Insurance contracts
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 3 | Real estate funds / limited partnerships
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	17,746,000	12,025,000	10,184,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	12,025,000	10,184,000	10,994,000
Employer contributions	2,535,000	5,697,000	2,344,000
Cash distributions received	(1,270,000)	(333,000)	(636,000)
Actual return on plan assets - related to asset still held at end of year	4,456,000	(3,523,000)	(2,518,000)
Fair value of plan assets at end of year	17,746,000	12,025,000	10,184,000
International Plans | Level 3 | Other mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Level 3 | Cash and cash equivalents
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	0	0
International Plans | Total
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	783,059,000	714,163,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	783,059,000	714,163,000
International Plans | Total | Mutual funds - equities
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	269,789,000	247,629,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	269,789,000	247,629,000
International Plans | Total | Corporate bonds and notes
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets		0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year		0
International Plans | Total | Mutual funds - bonds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	309,274,000	294,010,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	309,274,000	294,010,000
International Plans | Total | Insurance contracts
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	66,900,000	63,169,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	66,900,000	63,169,000
International Plans | Total | Real estate funds / limited partnerships
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	49,007,000	43,122,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	49,007,000	43,122,000
International Plans | Total | Other mutual funds
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	86,537,000	63,568,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	86,537,000	63,568,000
International Plans | Total | Cash and cash equivalents
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Fair values of plan assets	1,552,000	2,665,000
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	$ 1,552,000	$ 2,665,000
U.K. Plan
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Pension plan assets as a percentage of international plan assets	85.00%
Expected long-term rates of return on plan assets for next year (as a percent)	6.80%
Remaining international plans
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Pension plan assets as a percentage of international plan assets	15.00%