Share-Based Payment Arrangements (Tables)

6 Months Ended

Jun. 30, 2016

Share-Based Payment Arrangements [Abstract]

Summary of Option Activity

				Weighted
				Average
		Weighted		Remaining
		Average		Contractual	Aggregate
	Number of	Exercise		Term	Intrinsic
Options	Shares	Price		(Years)	Value ($000)
Outstanding at January 1, 2016	745,806	$	37.55
Cancelled/Forfeited	(60,377)		35.04
Expired	(150,847)		46.06
Outstanding at June 30, 2016	534,582	$	35.43	4.06	$	—
Exercisable at June 30, 2016	490,827	$	35.92	3.92	$	—

Summary of Nonvested Restricted and Performance Shares

			Weighted
			Average
	Number of		Grant Date
	Shares		Fair Value
Nonvested at January 1, 2016	2,196,145	$	30.97
Granted	85,004		23.83
Vested	(64,112)		31.15
Forfeited	(185,249)		30.84
Nonvested at June 30, 2016	2,031,788	$	30.64