RETIREMENT AND POST RETIREMENT HEALTH CARE PLANS

The following table presents the Company’s net periodic benefit cost components (in millions):



	Three Months Ended						Nine Months Ended
	September 29, 2018			September 30, 2017			September 29, 2018			September 30, 2017
Service Cost	$	1.8		$	1.8		$	5.5		$	5.4
Interest Cost	2.4			2.5			7.2			7.3
Expected Return on Plan Assets	(3.0		)	(2.8		)	(8.9		)	(8.4		)
Amortization of Prior Service Cost and Net Actuarial Loss	1.0			0.6			2.9			1.8
Net Periodic Benefit Cost	$	2.2		$	2.1		$	6.7		$	6.1

The service cost component is included in Cost of Sales and Operating Expenses. All other components of net period benefit costs are included in Other Expenses, net on the Company's Condensed Consolidated Statements of Income.

The estimated net actuarial loss and prior service cost for post retirement plans that will be amortized from AOCI into net periodic benefit cost during the 2018 fiscal year are $3.5 million and $0.2 million, respectively.

For the three months ended September 29, 2018 and September 30, 2017, the Company contributed $3.3 million and $6.0 million, respectively, to post retirement plans. For the nine months ended September 29, 2018 and September 30, 2017, the Company contributed $10.2 million and $8.2 million, respectively, to post retirement plans. The Company expects to make total contributions of $11.4 million in 2018. The Company contributed a total of $8.6 million in fiscal 2017. The assumptions used in the valuation of the Company’s post retirement plans and in the target investment allocation have remained the same as those disclosed in the Company’s 2017 Annual Report on Form 10-K filed on February 27, 2018.