Employee Benefit Plans

The Company provides retirement benefits through contributory and noncontributory qualified and non-qualified defined benefit pension plans covering eligible domestic and international employees as well as through defined contribution plans and other postretirement benefits.

The components of net pension expense for pension benefits were as follows (in millions):



	Three Fiscal Months Ended
	September 29, 2017						September 30, 2016
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Service cost	$	0.2		$	0.9		$	0.3		$	1.0
Interest cost	1.1			0.7			1.8			0.8
Expected return on plan assets	(2.0		)	(0.7		)	(2.4		)	(0.6		)
Amortization of prior service cost	—			—			—			0.2
Amortization of net loss	0.6			0.4			1.7			0.3
Net pension expense	$	(0.1	)	$	1.3		$	1.4		$	1.7



	Nine Fiscal Months Ended
	September 29, 2017						September 30, 2016
	U.S. Plans			Non-U.S. Plans			U.S. Plans			Non-U.S. Plans
Service cost	$	0.6		$	2.7		$	0.9		$	3.0
Interest cost	3.3			2.1			5.4			2.4
Expected return on plan assets	(6.0		)	(2.1		)	(7.2		)	(1.8		)
Amortization of prior service cost	—			0.2			—			0.6
Amortization of net loss	1.8			1.2			5.1			0.9
Net pension expense	$	(0.3	)	$	4.1		$	4.2		$	5.1

The estimated net loss for the defined benefit pension plans that will be amortized from accumulated other comprehensive income (loss) into net pension expense in 2017 is $4.0 million. The prior service cost to be amortized from accumulated other comprehensive income (loss) into net pension expense over the next fiscal year is not material.

Defined benefit pension plan cash contributions for the three fiscal months ended September 29, 2017 and September 30, 2016 were $1.7 million and $1.3 million, respectively. Defined benefit pension plan cash contributions for the nine fiscal months ended September 29, 2017 and September 30, 2016 were $3.9 million.