CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2018	Mar. 26, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (38,941)	$ (95,575)
Reconciliation to net cash provided by (used in) operating activities:
Depreciation and amortization	19,233	19,804
Gain on disposal of property and equipment (excluding other asset write-downs)	(3,016)	(384)
Retirement benefit expense	2,778	3,327
Stock-based compensation expense	741	1,029
Equity (income) loss in unconsolidated companies	1,268	(63)
Impairments related to equity investments		123,000
Distributions of income from equity investments	56
Loss on extinguishment of debt, net	5,349
Other asset write-downs	59	1,957
Other	(1,769)	(1,716)
Changes in certain assets and liabilities:
Trade receivables	23,458	23,177
Inventories	(1,077)	686
Other assets	(1,713)	(2,076)
Accounts payable	(1,485)	(3,655)
Accrued compensation	994	(1,352)
Income taxes	7,784	(55,646)
Accrued interest	4,272	7,656
Other liabilities	221	305
Net cash provided by operating activities	18,212	20,474
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(2,088)	(1,680)
Proceeds from sale of property, plant and equipment and other	3,708	392
Contributions to equity investments	(500)	(1,808)
Other, net		(11)
Net cash provided by (used in) investing activities	1,120	(3,107)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of public notes	(99,284)
Purchase of treasury shares	(307)	(285)
Other	848	407
Net cash provided by (used in) financing activities	(98,743)	122
Increase (decrease) in cash, cash equivalents and restricted cash	(79,411)	17,489
Cash, cash equivalents and restricted cash at beginning of period	131,354	36,248
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	$ 51,943	$ 53,737