Note 10 - Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

	SHARES			AMOUNT			ADDITIONAL PAID-IN CAPITAL			RETAINED EARNINGS (DEFICIT)			PENSION LIABILITY			FOREIGN CURRENCY TRANSLATION ADJUSTMENT
	(in thousands)
Balance, at December 28, 2014		65,968		$	6,597		$	368,603		$	39,737		$	(49,362	)	$	(58,936	)
Net income		0			0			0			72,418			0			0
Stock issuances under employee option plans		39			4			355			0			0			0
Other issuances of common stock		597			59			9,746			0			0			0
Unamortized stock compensation expense related to restricted stock awards		0			0			(9,806	)		0			0			0
Cash dividends paid		0			0			0			(11,885	)		0			0
Forfeitures and compensation expense related to stock awards		(253	)		(25	)		14,670			0			0			0
Share repurchases		(650	)		(65	)		(13,241	)		0			0			0
Pension liability adjustment		0			0			0			0			6,072			0
Foreign currency translation adjustment		0			0			0			0			0			(32,575	)
Other		0			0			0			0			0			0
Balance, at January 3, 2016		65,701		$	6,570		$	370,327		$	100,270		$	(43,290	)	$	(91,511	)

	SHARES			AMOUNT			ADDITIONAL PAID-IN CAPITAL			RETAINED EARNINGS (DEFICIT)			PENSION LIABILITY			FOREIGN CURRENCY TRANSLATION ADJUSTMENT
	(in thousands)
Balance, at January 3, 2016		65,701		$	6,570		$	370,327		$	100,270		$	(43,290	)	$	(91,511	)
Net income		0			0			0			54,162			0			0
Stock issuances under employee plans		17			2			251			0			0			0
Other issuances of common stock		277			28			4,726			0			0			0
Unamortized stock compensation expense related to restricted stock awards		0			0			(4,754	)		0			0			0
Cash dividends paid		0			0			0			(14,285	)		0			0
Forfeitures and compensation expense related to stock awards		(579	)		(58	)		979			0			0			0
Share Repurchases		(1,178	)		(118	)		(18,378	)		0			0			0
Pension liability adjustment		0			0			0			0			(11,572	)		0
Foreign currency translation adjustment		0			0			0			0			0			(19,011	)
Windfall tax benefit - share-based payment awards		0			0			6,300			0			0			0
Other		0			0			0			91			0			0
Balance, at January 1, 2017		64,238		$	6,424		$	359,451		$	140,238		$	(54,862	)	$	(110,522	)

	SHARES			AMOUNT			ADDITIONAL PAID-IN CAPITAL			RETAINED EARNINGS (DEFICIT)			PENSION LIABILITY			FOREIGN CURRENCY TRANSLATION ADJUSTMENT			CASH FLOW HEDGE
	(in thousands)
Balance, at January 1, 2017		64,238		$	6,424		$	359,451		$	140,238		$	(54,862	)	$	(110,522	)	$	0
Net income		0			0			0			53,246			0			0			0
Stock issuances under employee plans		36			4			508			0			0			0			0
Other issuances of common stock		253			25			4,507			0			0			0			0
Unamortized stock compensation expense related to restricted stock awards		0			0			(4,532	)		0			0			0			0
Cash dividends paid		0			0			0			(15,487	)		0			0			0
Forfeitures and compensation expense related to stock awards		(93	)		(9	)		5,574			0			0			0			0
Share Repurchases		(4,628	)		(463	)		(91,113	)		0			0			0			0
Pension liability adjustment		0			0			0			0			(1,692	)		0			0
Foreign currency translation adjustment		0			0			0			0			0			31,579			0
Cash flow hedge unrealized gain (loss)		0			0			0			0			0			0			904
Windfall tax benefit - share-based payment awards		0			0			(3,124	)		0			0			0			0
Adoption of new accounting standard - share-based payment awards		0			0			0			9,435			0			0			0
Balance, at December 31, 2017		59,806		$	5,981		$	271,271		$	187,432		$	(56,554	)	$	(78,943	)	$	904

Share-based Compensation, Stock Options, Activity [Table Text Block]

	Shares		Weighted Average Exercise Price
Outstanding at January 1, 2017		87,500	$	8.75
Granted		0		0
Exercised		5,000		12.43
Forfeited or cancelled		0		0
Outstanding at December 31, 2017 (a)		82,500	$	8.53
Exercisable at December 31, 2017 (b)		82,500	$	8.53

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

	Shares		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2017		505,000	$	17.05
Granted		253,000		17.91
Vested		284,000		16.61
Forfeited or cancelled		6,000		16.99
Outstanding at December 31, 2017		468,000	$	17.79

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

	Performance Shares		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2017		368,500	$	17.20
Granted		354,000		17.80
Vested		31,000		17.22
Forfeited or canceled		22,000		17.29
Outstanding at December 31, 2017		669,500	$	17.51