19.	CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS

The following table presents changes in accumulated other comprehensive loss, by component, for the last three fiscal years, (in thousands):

	2017			2016			2015
Accumulated other comprehensive loss components
Retirement benefit obligations:
Balance at beginning of period ⁽¹⁾	$	(119,363	)	$	(74,378	)	$	(158,041	)
Other comprehensive income (loss) before reclassifications		704			(64,470	)		(2,136	)
Current year prior service cost		—			—			(1,291	)
Amortization of prior service cost^{(2) (3)}		144			163			133
Amortization of net loss^{(2) (3)}		3,700			8,184			10,408
Settlements^{(2) (3)}		17,785			4,487			3,358
Curtailment⁽⁴⁾		138			—			73,191
Prior year correction⁽⁴⁾		—			(21,917	)		—
Total before income tax		22,471			(73,553	)		83,663
Income tax provision (benefit)⁽⁵⁾		6,300			(28,568	)		—
Current period comprehensive income (loss), net of tax		16,171			(44,985	)		83,663
Balance at end of period ⁽¹⁾	$	(103,192	)	$	(119,363	)	$	(74,378	)

Interest rate swaps:
Balance at beginning of period ⁽¹⁾	$	—		$	—		$	—
Change in fair value of interest rate swaps		10,236			—			—
Amounts reclassified to interest expense		1,939			—			—
Total before income tax		12,175			—			—
Income tax provision		4,738			—			—
Current period comprehensive income, net of tax		7,437			—			—
Balance at end of period ⁽¹⁾	$	7,437		$	—		$	—
Accumulated other comprehensive loss at end of period⁽¹⁾	$	(95,755	)	$	(119,363	)	$	(74,378	)

(1)

Amounts are presented net of tax.

(2)

Included in the computation of net periodic benefit costs. See Note 17, Retirement Plans for additional information.

(3)

Included in distribution, selling and administrative expenses in the Consolidated Statements of Comprehensive Income.

(4)

The fiscal year 2015 curtailment is due to freeze of non-union participants’ benefits of a USF sponsored defined benefit pension plan. In fiscal year 2016, the curtailment was corrected for a computational error. See Note 17, Retirement Plans.

(5)

No impact in fiscal year 2015 due to the Company’s full valuation allowance on its net deferred income tax assets. See Note 20, Income Taxes.