CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2016	Mar. 29, 2015
Cash flows from operating activities
Net loss	$ (13,586)	$ (14,421)
Adjustments to reconcile net income to net cash provided by operating activities:
Pension settlement charges	0	40,329
Multiemployer pension plan withdrawal expense	0	4,697
Depreciation and amortization	15,472	14,844
Stock-based compensation expense	2,931	1,852
Undistributed loss of joint ventures	41,896	572
Long-term retirement benefit obligations	(6,886)	(2,602)
Uncertain tax positions	460	(118)
Other-net	(5,793)	5,271
Changes in operating assets and liabilities:
Accounts receivable-net	37,162	46,788
Other current assets	(1,808)	9,410
Accounts payable, accrued payroll and other liabilities	(94,399)	(98,532)
Unexpired subscriptions	3,867	2,983
Net cash (used in)/provided by operating activities	(20,684)	11,073
Cash flows from investing activities
Purchases of marketable securities	(34,912)	(136,466)
Maturities of marketable securities	143,965	357,820
Cash distribution from corporate-owned life insurance	38,000	0
Acquisition of digital marketing agency	(12,250)	0
Capital expenditures	(10,542)	(8,791)
Change in restricted cash	(470)	398
Other-net	(1,026)	(1,472)
Net cash provided by investing activities	122,765	211,489
Cash flows from financing activities
Repayment of debt and capital lease obligations	(138)	(223,664)
Dividends paid	(6,461)	(6,693)
Stock issuances	0	101,879
Repurchases	(15,684)	(3,221)
Net cash used in financing activities	(22,283)	(131,699)
Net increase in cash and cash equivalents	79,798	90,863
Effect of exchange rate changes on cash	119	(1,295)
Cash and cash equivalents at the beginning of the period	105,776	176,607
Cash and cash equivalents at the end of the period	$ 185,693	$ 266,175