Pension and Postretirement Benefits (Plan Assets) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
U.S Defined Benefit Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	$ 410,462,000		$ 380,342,000
Return on plan assets	29,058,000		39,749,000
Company contributions	20,746,000		24,194,000
Benefits paid	(33,482,000)		(33,823,000)
Ending balance	426,784,000		410,462,000
Fair value of plan assets	426,784,000		410,462,000
U.S Defined Benefit Plans | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	40,000		2,860,000
Fair value of plan assets	40,000		2,860,000
U.S Defined Benefit Plans | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	426,744,000		407,602,000
Fair value of plan assets	426,744,000		407,602,000
U.S Defined Benefit Plans | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0		0
Fair value of plan assets	0		0
U.S Defined Benefit Plans | Liability Driven Investment
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	172,758,000	[1]	157,638,000	[1]
Fair value of plan assets	172,758,000	[1]	157,638,000	[1]
Plan assets, actual allocation	40.00%		39.00%
U.S Defined Benefit Plans | Liability Driven Investment | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[1]	0	[1]
Fair value of plan assets	0	[1]	0	[1]
U.S Defined Benefit Plans | Liability Driven Investment | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	172,758,000	[1]	157,638,000	[1]
Fair value of plan assets	172,758,000	[1]	157,638,000	[1]
U.S Defined Benefit Plans | Liability Driven Investment | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[1]	0	[1]
Fair value of plan assets	0	[1]	0	[1]
U.S Defined Benefit Plans | Cash
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	40,000		2,860,000
Fair value of plan assets	40,000		2,860,000
U.S Defined Benefit Plans | Cash | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	40,000		2,860,000
Fair value of plan assets	40,000		2,860,000
U.S Defined Benefit Plans | Cash | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0		0
Fair value of plan assets	0		0
U.S Defined Benefit Plans | Cash | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0		0
Fair value of plan assets	0		0
U.S Defined Benefit Plans | Equity Securities
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets, actual allocation	50.00%		51.00%
U.S Defined Benefit Plans | U.S. Large Cap
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	82,355,000	[2]	81,004,000	[2]
Fair value of plan assets	82,355,000	[2]	81,004,000	[2]
Plan assets, actual allocation	19.00%		20.00%
U.S Defined Benefit Plans | U.S. Large Cap | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[2]	0	[2]
Fair value of plan assets	0	[2]	0	[2]
U.S Defined Benefit Plans | U.S. Large Cap | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	82,355,000	[2]	81,004,000	[2]
Fair value of plan assets	82,355,000	[2]	81,004,000	[2]
U.S Defined Benefit Plans | U.S. Large Cap | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[2]	0	[2]
Fair value of plan assets	0	[2]	0	[2]
U.S Defined Benefit Plans | U.S. Small Cap
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	17,422,000	[3]	17,136,000	[3]
Fair value of plan assets	17,422,000	[3]	17,136,000	[3]
Plan assets, actual allocation	4.00%		4.00%
U.S Defined Benefit Plans | U.S. Small Cap | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[3]	0	[3]
Fair value of plan assets	0	[3]	0	[3]
U.S Defined Benefit Plans | U.S. Small Cap | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	17,422,000	[3]	17,136,000	[3]
Fair value of plan assets	17,422,000	[3]	17,136,000	[3]
U.S Defined Benefit Plans | U.S. Small Cap | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[3]	0	[3]
Fair value of plan assets	0	[3]	0	[3]
U.S Defined Benefit Plans | International Large Cap
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	56,716,000	[4]	58,675,000	[4]
Fair value of plan assets	56,716,000	[4]	58,675,000	[4]
Plan assets, actual allocation	14.00%		14.00%
U.S Defined Benefit Plans | International Large Cap | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[4]	0	[4]
Fair value of plan assets	0	[4]	0	[4]
U.S Defined Benefit Plans | International Large Cap | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	56,716,000	[4]	58,675,000	[4]
Fair value of plan assets	56,716,000	[4]	58,675,000	[4]
U.S Defined Benefit Plans | International Large Cap | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[4]	0	[4]
Fair value of plan assets	0	[4]	0	[4]
U.S Defined Benefit Plans | Emerging Markets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	19,175,000	[5]	19,772,000	[5]
Fair value of plan assets	19,175,000	[5]	19,772,000	[5]
Plan assets, actual allocation	5.00%		5.00%
U.S Defined Benefit Plans | Emerging Markets | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[5]	0	[5]
Fair value of plan assets	0	[5]	0	[5]
U.S Defined Benefit Plans | Emerging Markets | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	19,175,000	[5]	19,772,000	[5]
Fair value of plan assets	19,175,000	[5]	19,772,000	[5]
U.S Defined Benefit Plans | Emerging Markets | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[5]	0	[5]
Fair value of plan assets	0	[5]	0	[5]
U.S Defined Benefit Plans | World Equity
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	34,384,000		34,069,000	[6]
Fair value of plan assets	34,384,000		34,069,000	[6]
Plan assets, actual allocation	8.00%		8.00%
U.S Defined Benefit Plans | World Equity | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[6]	0	[6]
Fair value of plan assets	0	[6]	0	[6]
U.S Defined Benefit Plans | World Equity | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	34,384,000	[6]	34,069,000	[6]
Fair value of plan assets	34,384,000	[6]	34,069,000	[6]
U.S Defined Benefit Plans | World Equity | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[6]	0	[6]
Fair value of plan assets	0	[6]	0	[6]
U.S Defined Benefit Plans | Fixed Income
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets, actual allocation	50.00%		49.00%
U.S Defined Benefit Plans | Long-Term Government/Credit
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	43,934,000	[7]	39,308,000	[7]
Fair value of plan assets	43,934,000	[7]	39,308,000	[7]
Plan assets, actual allocation	10.00%		10.00%
U.S Defined Benefit Plans | Long-Term Government/Credit | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[7]	0	[7]
Fair value of plan assets	0	[7]	0	[7]
U.S Defined Benefit Plans | Long-Term Government/Credit | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	43,934,000	[7]	39,308,000	[7]
Fair value of plan assets	43,934,000	[7]	39,308,000	[7]
U.S Defined Benefit Plans | Long-Term Government/Credit | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[7]	0	[7]
Fair value of plan assets	0	[7]	0	[7]
U.S Defined Benefit Plans | Other
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets, actual allocation	0.00%	[8]	0.00%	[8]
Non-U.S Defined Benefit Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Beginning balance	195,042,000		173,017,000
Return on plan assets	30,246,000		10,480,000
Employee contributions	272,000		267,000
Company contributions	22,740,000		22,695,000
Currency translation impact and other	(14,955,000)		5,074,000
Benefits paid	(17,985,000)		(16,491,000)
Ending balance	215,360,000		195,042,000
Estimated contributions in the next year	12,000,000
Fair value of plan assets	215,360,000		195,042,000
Non-U.S Defined Benefit Plans | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	24,000		189,000
Fair value of plan assets	24,000		189,000
Non-U.S Defined Benefit Plans | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	210,153,000		189,078,000
Fair value of plan assets	210,153,000		189,078,000
Non-U.S Defined Benefit Plans | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	5,183,000		5,775,000
Fair value of plan assets	5,183,000		5,775,000
Non-U.S Defined Benefit Plans | Cash
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	24,000		189,000
Fair value of plan assets	24,000		189,000
Non-U.S Defined Benefit Plans | Cash | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	24,000		189,000
Fair value of plan assets	24,000		189,000
Non-U.S Defined Benefit Plans | Cash | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0		0
Fair value of plan assets	0		0
Non-U.S Defined Benefit Plans | Cash | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0		0
Fair value of plan assets	0		0
Non-U.S Defined Benefit Plans | Equity Securities
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets, actual allocation	27.00%		28.00%
Non-U.S Defined Benefit Plans | North American Companies
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	7,155,000	[9]	6,459,000	[9]
Fair value of plan assets	7,155,000	[9]	6,459,000	[9]
Plan assets, actual allocation	3.00%		3.00%
Non-U.S Defined Benefit Plans | North American Companies | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[9]	0	[9]
Fair value of plan assets	0	[9]	0	[9]
Non-U.S Defined Benefit Plans | North American Companies | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	7,155,000	[9]	6,459,000	[9]
Fair value of plan assets	7,155,000	[9]	6,459,000	[9]
Non-U.S Defined Benefit Plans | North American Companies | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[9]	0	[9]
Fair value of plan assets	0	[9]	0	[9]
Non-U.S Defined Benefit Plans | U.K. Companies
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	18,829,000	[10]	19,448,000	[10]
Fair value of plan assets	18,829,000	[10]	19,448,000	[10]
Plan assets, actual allocation	9.00%		10.00%
Non-U.S Defined Benefit Plans | U.K. Companies | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[10]	0	[10]
Fair value of plan assets	0	[10]	0	[10]
Non-U.S Defined Benefit Plans | U.K. Companies | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	18,829,000	[10]	19,448,000	[10]
Fair value of plan assets	18,829,000	[10]	19,448,000	[10]
Non-U.S Defined Benefit Plans | U.K. Companies | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[10]	0	[10]
Fair value of plan assets	0	[10]	0	[10]
Non-U.S Defined Benefit Plans | European Companies
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	8,018,000	[11]	8,060,000	[11]
Fair value of plan assets	8,018,000	[11]	8,060,000	[11]
Plan assets, actual allocation	4.00%		4.00%
Non-U.S Defined Benefit Plans | European Companies | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[11]	0	[11]
Fair value of plan assets	0	[11]	0	[11]
Non-U.S Defined Benefit Plans | European Companies | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	8,018,000	[11]	8,060,000	[11]
Fair value of plan assets	8,018,000	[11]	8,060,000	[11]
Non-U.S Defined Benefit Plans | European Companies | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[11]	0	[11]
Fair value of plan assets	0	[11]	0	[11]
Non-U.S Defined Benefit Plans | Asia Pacific Companies
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	5,367,000	[12]	5,613,000	[12]
Fair value of plan assets	5,367,000	[12]	5,613,000	[12]
Plan assets, actual allocation	3.00%		3.00%
Non-U.S Defined Benefit Plans | Asia Pacific Companies | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[12]	0	[12]
Fair value of plan assets	0	[12]	0	[12]
Non-U.S Defined Benefit Plans | Asia Pacific Companies | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	5,367,000	[12]	5,613,000	[12]
Fair value of plan assets	5,367,000	[12]	5,613,000	[12]
Non-U.S Defined Benefit Plans | Asia Pacific Companies | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[12]	0	[12]
Fair value of plan assets	0	[12]	0	[12]
Non-U.S Defined Benefit Plans | Global Equity
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	17,120,000	[13]	16,046,000	[13]
Fair value of plan assets	17,120,000	[13]	16,046,000	[13]
Plan assets, actual allocation	8.00%		8.00%
Non-U.S Defined Benefit Plans | Global Equity | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[13]	0	[13]
Fair value of plan assets	0	[13]	0	[13]
Non-U.S Defined Benefit Plans | Global Equity | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	17,120,000	[13]	16,046,000	[13]
Fair value of plan assets	17,120,000	[13]	16,046,000	[13]
Non-U.S Defined Benefit Plans | Global Equity | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[13]	0	[13]
Fair value of plan assets	0	[13]	0	[13]
Non-U.S Defined Benefit Plans | U.K. and Netherlands Plan Assets
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets, actual allocation	97.00%
Non-U.S Defined Benefit Plans | Fixed Income
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Plan assets, actual allocation	71.00%		69.00%
Non-U.S Defined Benefit Plans | U.K. Government Gilt Index
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	65,161,000	[14]	55,078,000	[14]
Fair value of plan assets	65,161,000	[14]	55,078,000	[14]
Plan assets, actual allocation	30.00%		28.00%
Non-U.S Defined Benefit Plans | U.K. Government Gilt Index | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[14]	0	[14]
Fair value of plan assets	0	[14]	0	[14]
Non-U.S Defined Benefit Plans | U.K. Government Gilt Index | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	65,161,000	[14]	55,078,000	[14]
Fair value of plan assets	65,161,000	[14]	55,078,000	[14]
Non-U.S Defined Benefit Plans | U.K. Government Gilt Index | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[14]	0	[14]
Fair value of plan assets	0	[14]	0	[14]
Non-U.S Defined Benefit Plans | U.K. Corporate Bond Index
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	47,683,000	[15]	40,039,000	[15]
Fair value of plan assets	47,683,000	[15]	40,039,000	[15]
Plan assets, actual allocation	22.00%		21.00%
Non-U.S Defined Benefit Plans | U.K. Corporate Bond Index | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[15]	0	[15]
Fair value of plan assets	0	[15]	0	[15]
Non-U.S Defined Benefit Plans | U.K. Corporate Bond Index | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	47,683,000	[15]	40,039,000	[15]
Fair value of plan assets	47,683,000	[15]	40,039,000	[15]
Non-U.S Defined Benefit Plans | U.K. Corporate Bond Index | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[15]	0	[15]
Fair value of plan assets	0	[15]	0	[15]
Non-U.S Defined Benefit Plans | Global Index Income Bond
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	40,820,000	[16]	38,335,000	[16]
Fair value of plan assets	40,820,000	[16]	38,335,000	[16]
Plan assets, actual allocation	19.00%		20.00%
Non-U.S Defined Benefit Plans | Global Index Income Bond | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[16]	0	[16]
Fair value of plan assets	0	[16]	0	[16]
Non-U.S Defined Benefit Plans | Global Index Income Bond | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	40,820,000	[16]	38,335,000	[16]
Fair value of plan assets	40,820,000	[16]	38,335,000	[16]
Non-U.S Defined Benefit Plans | Global Index Income Bond | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[16]	0	[16]
Fair value of plan assets	0	[16]	0	[16]
Non-U.S Defined Benefit Plans | Other
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	5,183,000	[17]	5,775,000	[17]
Fair value of plan assets	5,183,000	[17]	5,775,000	[17]
Non-U.S Defined Benefit Plans | Other | Hierarchial Level 1
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[17]	0	[17]
Fair value of plan assets	0	[17]	0	[17]
Non-U.S Defined Benefit Plans | Other | Hierarchial Level 2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	0	[17]	0	[17]
Fair value of plan assets	0	[17]	0	[17]
Non-U.S Defined Benefit Plans | Other | Hierarchial Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Ending balance	5,183,000	[17]	5,775,000	[17]
Fair value of plan assets	5,183,000	[17]	5,775,000	[17]
Postretirement Medical Benefits
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Amendments	(2,339,000)		0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Employee contributions	901,000		2,151,000
Company contributions	3,800,000		3,700,000		3,800,000
Benefits paid	(5,133,000)		(6,645,000)
Minimum | U.S Defined Benefit Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Estimated contributions in the next year	$ 20,000,000

[1] (f)LDI funds seek to outperform the Barclays-Russell LDI Index by investing in high quality, mostly corporate bonds and fixed income securities that closely match those found in discount curves used to value the plan's liabilities.

[2] (a)U.S. Large Cap funds seek to outperform the Russell 1000 (R) Index with investments in large and medium capitalization U.S. companies represented in the Russell 1000 (R) Index, which is composed of the largest 1,000 U.S. equities as determined by market capitalization.

[3] (b)U.S. Small Cap funds seek to outperform the Russell 2000 (R) Index with investments in medium and small capitalization U.S. companies represented in the Russell 2000 (R) Index, which is composed of the smallest 2,000 U.S. equities as determined by market capitalization.

[4] (c)International Large Cap funds seek to outperform the MSCI Europe, Australia, and Far East Index with investments in most of the developed nations of the world so as to maintain a high degree of diversification among countries and currencies.

[5] (d)Emerging Markets funds represent a diversified portfolio that seeks high, long-term returns comparable to investments in emerging markets by investing in stocks from newly developed emerging market economies.

[6] (e)World Equity funds seek to outperform the Russell Developed Large Cap Index Net over a full market cycle. The fund's goal is to provide a favorable total return relative to the benchmark, primarily through long-term capital appreciation.

[7] (g)Long-Term Government/Credit funds seek to outperform the Barclays Capital U.S. Long-Term Government/Credit Index by generating excess return through a variety of diversified strategies in securities with longer durations, such as sector rotation, security selection and tactical use of high-yield bonds.

[8] Less than 1% of holdings are in the Other category in 2014 and 2013.

[9] North American Companies represents U.S. and Canadian large cap equity index funds, which are passively managed and track their respective benchmarks (FTSE All-World USA Index and FTSE All-World Canada Index).

[10] U.K. Companies represents a U.K. equity index fund, which is passively managed and tracks the FTSE All-Share Index.

[11] European companies represents a European equity index fund, which is passively managed and tracks the FTSE All-World Developed Europe Ex-U.K. Index.

[12] Asian Pacific Companies represents Japanese and Pacific Rim equity index funds, which are passively managed and track their respective benchmarks (FTSE All-World Japan Index and FTSE All-World Developed Asia Pacific Ex-Japan Index).

[13] Global Equity represents actively managed, global equity funds taking a top-down strategic view on the different regions by analyzing companies based on fundamentals, market-driven, thematic and quantitative factors to generate alpha.

[14] U.K. Government Gilt Index represents U.K. government issued fixed income investments which are passively managed and track the respective benchmarks (FTSE U.K. Gilt Index-Linked Over 5 Years Index, FTSE U.K. Gilt Over 15 Years Index and FTSE U.K. Gilt Index-Linked Over 25 Years Index).

[15] U.K. Corporate Bond Index represents U.K. corporate bond investments, which are passively managed and track the iBoxx Over 15 years £ Non-Gilt Index.

[16] Global Fixed Income Bond represents mostly European fixed income investment funds that are actively managed, diversified and primarily invested in traditional government bonds, high-quality corporate bonds, asset backed securities, emerging market debt and high yield corporate bonds.

[17] Includes assets held by plans outside the U.K. and The Netherlands. Details, including Level III rollforward details, have not been provided due to immateriality.