b. Pension and Postretirement Benefits. Net periodic pension expense for the three months ended March 31, 2014 and 2013 is presented below (in millions of dollars):


	Three Months									Three Months
	Ended March 31, 2014									Ended March 31, 2013
				U.S.			Int’l.						U.S.			Int’l.
	Total			Plans			Plans			Total			Plans			Plans
Service cost	$	2.4		$	—		$	2.4		$	2.6		$	—		$	2.6
Interest cost		92.3			62.5			29.8			81.1			54.8			26.3
Expected return on plan assets		(112.7	)		(72.0	)		(40.7	)		(108.0	)		(73.0	)		(35.0	)
Amortization of prior service cost		(.3	)		.2			(.5	)		(.1	)		.2			(.3	)
Recognized net actuarial loss		37.8			27.8			10.0			47.6			34.9			12.7

Net periodic pension expense	$	19.5		$	18.5		$	1.0		$	23.2		$	16.9		$	6.3

In 2014, the company expects to make cash contributions of approximately $234 million to its worldwide defined benefit pension plans, which is comprised of $108 million primarily for non-U.S. defined benefit pension plans and $126 million for the company’s U.S. qualified defined benefit pension plan. In 2013, the company made cash contributions of $147.2 million to its worldwide defined benefit pension plans. For the three months ended March 31, 2014 and 2013, $55.5 million and $26.6 million, respectively, of cash contributions have been made.

Net periodic postretirement benefit expense for the three months ended March 31, 2014 and 2013 is presented below (in millions of dollars):


	Three Months Ended March 31,
	2014			2013
Service cost	$	.2		$	.1
Interest cost		2.0			2.0
Expected return on assets		(.1	)		(.1	)
Amortization of prior service cost		.4			.4
Recognized net actuarial loss		.8			1.4

Net periodic postretirement benefit expense	$	3.3		$	3.8

The company expects to make cash contributions of approximately $19 million to its postretirement benefit plan in 2014 compared with $18.0 million in 2013. For the three months ended March 31, 2014 and 2013, $2.7 million and $2.9 million, respectively, of cash contributions have been made.